Introduction
CCNA questions and answers are very useful to study especially for those individuals who want to pursue their career in the field of computer networking. We have compiled a bunch of CCNA questions and answers here in the form of a quiz. It is very convenient to practice these questions online and get real-time results on the spot.
CCNA Syllabus
Here’s an outline of the CCNA syllabus for CCNA Exam preparation.
1. Network Fundamentals
- Introduction to Networking
- OSI Model
- TCP/IP Model
- Ethernet LANs
- IPv4 Addressing
- Subnetting and VLSM
- IPv6 Addressing
- Network Topologies
2. Network Access
- Ethernet Switching
- VLANs and Trunking
- Spanning Tree Protocol (STP)
- EtherChannel
- Wireless LANs
- WLAN Security
3. IP Connectivity
- Router Operations
- IPv4 Routing
- OSPF Routing Protocol
- EIGRP Routing Protocol
- IPv6 Routing
- Static Routing
4. IP Services
- DHCP (Dynamic Host Configuration Protocol)
- DNS (Domain Name System)
- NAT (Network Address Translation)
- ACLs (Access Control Lists)
- QoS (Quality of Service)
- Network Time Protocol (NTP)
5. Security Fundamentals
- Common Network Security Threats
- Securing Network Devices
- Access Control
- VPN (Virtual Private Network)
- Wireless Security
- Security Best Practices
6. Automation and Programmability
- Introduction to Network Automation
- Scripting and Automation Tools
- Programmable Network Architectures
- RESTful APIs (Representational State Transfer)
- SDN (Software-Defined Networking)
- Network Automation Best Practices
7. Troubleshooting
- Troubleshooting Methodologies
- Network Troubleshooting Tools
- Troubleshooting Common Network Issues
- Troubleshooting ACLs and NAT
- Troubleshooting VLANs and Trunking
- Troubleshooting Routing Protocols
8. WAN Technologies
- WAN Overview
- Point-to-Point Connections
- Frame Relay
- PPP (Point-to-Point Protocol)
- GRE (Generic Routing Encapsulation)
- WAN Security
This syllabus outlines the major topics covered in the CCNA certification exam, providing a structured approach to learning networking concepts and preparing important CCNA questions and answers for the exam.
CCNA Questions and Answers
Practice CCNA questions and answers compiled from the content of CCNA final exams of previous years. These questions are carefully selected as they cover essential topics that are commonly featured in the CCNA exam:
100 CCNA Questions and Answers For CCNA Final Exam
First Set – CCNA Questions and Answers
- Which layer of the OSI model is responsible for logical addressing and routing?
A) Data Link
B) Network
C) Transport
D) Application
Correct answer: B) Network - What is the purpose of the subnet mask in IP addressing?
A) It identifies the network portion of the IP address.
B) It identifies the host portion of the IP address.
C) It combines with the network address to identify the host address.
D) It determines the class of the IP address.
Correct answer: A) It identifies the network portion of the IP address. - Which command is used to display the current configuration of a Cisco router or switch?
A) show running-config
B) show startup-config
C) show config
D) display current
Correct answer: A) show running-config - What is the purpose of a MAC address?
A) To uniquely identify a device on a network
B) To facilitate communication between routers
C) To encrypt data packets
D) To determine the subnet of a device
Correct answer: A) To uniquely identify a device on a network - Which routing protocol uses the DUAL algorithm for loop prevention?
A) OSPF
B) RIP
C) EIGRP
D) BGP
Correct answer: C) EIGRP
- What is the default administrative distance for EIGRP?
A) 90
B) 100
C) 110
D) 120
Correct answer: D) 120 - Which command is used to assign an IP address to an interface in Cisco IOS?
A) ip address
B) assign ip
C) set ip
D) configure ip
Correct answer: A) ip address - What is the purpose of the command “switchport mode access” on a Cisco switch interface?
A) It configures the interface to only forward traffic within its assigned VLAN.
B) It enables trunking on the interface.
C) It disables the interface from forwarding any traffic.
D) It configures the interface to dynamically assign VLANs to connected devices.
Correct answer: A) It configures the interface to only forward traffic within its assigned VLAN. - Which OSI layer is responsible for converting data into packets for transmission over the network?
A) Network
B) Data Link
C) Transport
D) Physical
Correct answer: C) Transport - What is the primary function of a router?
A) To connect devices within the same LAN
B) To forward data packets between different networks
C) To provide power over Ethernet to connected devices
D) To filter traffic based on MAC addresses
Correct answer: B) To forward data packets between different networks
Second Set – CCNA Questions and Answers
- What is the purpose of the command “ip route 0.0.0.0 0.0.0.0 [next-hop IP]” on a Cisco router?
A) It configures a static route for all traffic to the specified next-hop IP address.
B) It configures a default route for all traffic to the specified next-hop IP address.
C) It configures a dynamic route using OSPF.
D) It configures a loopback interface.
Correct answer: B) It configures a default route for all traffic to the specified next-hop IP address. - Which spanning tree protocol is used to prevent loops in a switched network?
A) STP (Spanning Tree Protocol)
B) RSTP (Rapid Spanning Tree Protocol)
C) MSTP (Multiple Spanning Tree Protocol)
D) PVST (Per-VLAN Spanning Tree)
Correct answer: A) STP (Spanning Tree Protocol) - What is the purpose of VLANs (Virtual Local Area Networks) in networking?
A) To segment a physical network into multiple logical networks
B) To increase the physical size of a network
C) To connect devices across different geographical locations
D) To encrypt network traffic
Correct answer: A) To segment a physical network into multiple logical networks - Which command is used to verify the IP address and subnet mask configured on an interface in Cisco IOS?
A) show interface
B) show ip interface brief
C) show ip address
D) show running-config
Correct answer: C) show ip address - What is the purpose of the ARP (Address Resolution Protocol)?
A) To map IP addresses to MAC addresses
B) To encrypt data packets
C) To authenticate devices on the network
D) To determine the network portion of an IP address
Correct answer: A) To map IP addresses to MAC addresses
- Which type of NAT (Network Address Translation) allows multiple internal IP addresses to be translated to a single external IP address?
A) Static NAT
B) Dynamic NAT
C) PAT (Port Address Translation)
D) NAT overload
Correct answer: C) PAT (Port Address Translation) - Which protocol is used to automatically assign IP addresses to devices on a network?
A) DHCP (Dynamic Host Configuration Protocol)
B) DNS (Domain Name System)
C) ARP (Address Resolution Protocol)
D) ICMP (Internet Control Message Protocol)
Correct answer: A) DHCP (Dynamic Host Configuration Protocol) - What is the primary function of the Data Link layer in the OSI model?
A) To establish, maintain, and terminate connections between devices
B) To provide error detection and correction
C) To route packets between different networks
D) To define the format of data packets
Correct answer: B) To provide error detection and correction - Which type of cable is commonly used to connect a PC to a switch or router?
A) Straight-through cable
B) Crossover cable
C) Rollover cable
D) Fiber optic cable
Correct answer: A) Straight-through cable - What is the primary difference between TCP (Transmission Control Protocol) and UDP (User Datagram Protocol)?
A) TCP provides connection-oriented communication, while UDP provides connectionless communication.
B) TCP operates at the transport layer, while UDP operates at the network layer.
C) TCP uses a 32-bit addressing scheme, while UDP uses a 64-bit addressing scheme.
D) TCP is faster than UDP for real-time applications.
Correct answer: A) TCP provides connection-oriented communication, while UDP provides connectionless communication.
Third Set – CCNA Questions and Answers
- What is the primary function of a DHCP relay agent in a network?
A) To assign IP addresses to devices dynamically
B) To forward DHCP messages between clients and servers across different subnets
C) To resolve domain names to IP addresses
D) To provide redundancy for DHCP servers
Correct answer: B) To forward DHCP messages between clients and servers across different subnets - Which routing protocol uses link-state advertisements (LSAs) to build and maintain a topology database?
A) OSPF (Open Shortest Path First)
B) RIP (Routing Information Protocol)
C) EIGRP (Enhanced Interior Gateway Routing Protocol)
D) BGP (Border Gateway Protocol)
Correct answer: A) OSPF (Open Shortest Path First) - What is the default encapsulation method for serial interfaces on Cisco routers?
A) HDLC (High-Level Data Link Control)
B) PPP (Point-to-Point Protocol)
C) Frame Relay
D) ATM (Asynchronous Transfer Mode)
Correct answer: A) HDLC (High-Level Data Link Control) - Which command is used to enable SSH (Secure Shell) access on a Cisco device?
A) enable ssh
B) ip ssh enable
C) ssh enable
D) crypto key generate rsa
Correct answer: D) crypto key generate rsa - What is the purpose of NAT (Network Address Translation)?
A) To translate private IP addresses to public IP addresses for communication over the internet
B) To encrypt network traffic
C) To prevent broadcast storms
D) To assign IP addresses dynamically using DHCP
Correct answer: A) To translate private IP addresses to public IP addresses for communication over the internet
- Which of the following is a valid IPv6 address format?
A) 192.168.1.1
B) 2001:0db8:85a3:0000:0000:8a2e:0370:7334
C) 255.255.255.0
D) 172.16.0.0/16
Correct answer: B) 2001:0db8:85a3:0000:0000:8a2e:0370:7334 - What is the purpose of the TTL (Time to Live) field in an IP packet header?
A) To specify the maximum transmission rate for the packet
B) To prevent packets from looping indefinitely in the network
C) To determine the priority of the packet
D) To indicate the size of the packet
Correct answer: B) To prevent packets from looping indefinitely in the network - Which command is used to configure a default gateway on a Cisco router?
A) default-gateway
B) ip default-gateway
C) gateway
D) ip route 0.0.0.0 0.0.0.0 [next-hop IP]
Correct answer: D) ip route 0.0.0.0 0.0.0.0 [next-hop IP] - What is the purpose of the command “switchport trunk encapsulation dot1q” on a Cisco switch interface?
A) It configures the interface to only forward traffic within its assigned VLAN.
B) It enables trunking on the interface.
C) It disables the interface from forwarding any traffic.
D) It configures the interface to dynamically assign VLANs to connected devices.
Correct answer: B) It enables trunking on the interface. - Which of the following is a characteristic of a full-duplex Ethernet connection?
A) Only one device can transmit at a time.
B) Devices can transmit and receive data simultaneously.
C) Collisions are common on the network.
D) It operates at a slower speed than half-duplex connections.
Correct answer: B) Devices can transmit and receive data simultaneously.
Fourth Set – CCNA Questions and Answers
- What is the purpose of a VLAN Trunking Protocol (VTP) in a switched network?
A) To automatically assign VLANs to switch ports
B) To synchronize VLAN information across multiple switches
C) To encrypt VLAN traffic
D) To prevent VLAN misconfigurations
Correct answer: B) To synchronize VLAN information across multiple switches - Which routing protocol uses a distance vector algorithm and sends routing updates at regular intervals?
A) OSPF
B) EIGRP
C) RIP
D) BGP
Correct answer: C) RIP - What is the purpose of Quality of Service (QoS) in a network?
A) To prevent unauthorized access to network resources
B) To ensure reliable and predictable network performance for specific applications or users
C) To encrypt data traffic between devices
D) To segment a network into multiple broadcast domains
Correct answer: B) To ensure reliable and predictable network performance for specific applications or users - Which command is used to configure a static route on a Cisco router?
A) route add
B) ip route
C) static route
D) route static
Correct answer: B) ip route - What is the purpose of the command “spanning-tree portfast” on a Cisco switch interface?
A) To enable rapid spanning tree convergence
B) To disable spanning tree protocol on the interface
C) To immediately transition the interface to the forwarding state
D) To configure the interface as an access port
Correct answer: C) To immediately transition the interface to the forwarding state
- Which protocol is used by DNS (Domain Name System) to resolve domain names to IP addresses?
A) TCP
B) UDP
C) ICMP
D) HTTP
Correct answer: B) UDP - What is the purpose of the command “shutdown” on a Cisco router interface?
A) To power off the interface
B) To disable the interface administratively
C) To restart the interface
D) To configure the interface as a backup link
Correct answer: B) To disable the interface administratively - Which protocol is used for secure remote management of network devices?
A) Telnet
B) SSH
C) FTP
D) SNMP
Correct answer: B) SSH - What is the primary function of a firewall in a network?
A) To provide routing between different networks
B) To filter and control incoming and outgoing network traffic
C) To allocate IP addresses to devices dynamically
D) To provide secure remote access to network devices
Correct answer: B) To filter and control incoming and outgoing network traffic - Which command is used to display the MAC address table on a Cisco switch?
A) show mac-address-table
B) show mac
C) show arp
D) show vlan
Correct answer: A) Show mac-address-table
Fifth Set – CCNA Questions and Answers
- What is the purpose of the command “traceroute” on a computer or router?
A) To identify the MAC addresses of devices on the local network
B) To test the connectivity and display the route taken by packets to reach a destination
C) To encrypt data packets before transmission
D) To assign IP addresses to devices dynamically
Correct answer: B) To test the connectivity and display the route taken by packets to reach a destination - Which protocol is used for automatic IP configuration on a network when a DHCP server is not available?
A) DNS
B) ARP
C) APIPA
D) ICMP
Correct answer: C) APIPA (Automatic Private IP Addressing) - What is the primary function of a Layer 3 switch in a network?
A) To provide inter-VLAN routing
B) To forward data packets based on MAC addresses
C) To manage access control lists (ACLs)
D) To encapsulate data packets for transmission
Correct answer: A) To provide inter-VLAN routing - Which type of wireless security protocol provides the highest level of security?
A) WEP (Wired Equivalent Privacy)
B) WPA (Wi-Fi Protected Access)
C) WPA2 (Wi-Fi Protected Access 2)
D) None of the above
Correct answer: C) WPA2 (Wi-Fi Protected Access 2) - What is the primary advantage of using a cloud-based network infrastructure?
A) Lower latency for network traffic
B) Reduced maintenance and hardware costs
C) Higher security against cyberattacks
D) Greater control over network configurations
Correct answer: B) Reduced maintenance and hardware costs
- Which command is used to verify the status of an interface on a Cisco router or switch?
A) show interface status
B) show ip interface brief
C) show interface
D) show running-config
Correct answer: A) show interface status - In IPv4 addressing, which class of IP addresses is reserved for multicast communication?
A) Class A
B) Class B
C) Class C
D) Class D
Correct answer: D) Class D - What is the purpose of the subnet mask in conjunction with an IP address?
A) To identify the network portion of the IP address
B) To identify the host portion of the IP address
C) To determine the class of the IP address
D) To convert the IP address into binary format
Correct answer: A) To identify the network portion of the IP address - Which of the following is a valid IPv6 address representation?
A) 192.168.1.1
B) 2001:0db8:0000:0042:0000:8a2e:0370:7334
C) 255.255.255.0
D) 172.16.0.0/16
Correct answer: B) 2001:0db8:0000:0042:0000:8a2e:0370:7334 - What is the primary function of NAT (Network Address Translation)?
A) To provide secure remote access to network devices
B) To translate private IP addresses to public IP addresses for internet communication
C) To encrypt network traffic
D) To segment a network into multiple broadcast domains
Correct answer: B) To translate private IP addresses to public IP addresses for internet communication
Sixth Set – CCNA Questions and Answers
- What is the purpose of the command “show cdp neighbors” on a Cisco device?
A) To display information about directly connected Cisco devices
B) To configure CDP (Cisco Discovery Protocol) settings
C) To troubleshoot DNS resolution issues
D) To enable neighbor discovery using ICMP
Correct answer: A) To display information about directly connected Cisco devices - Which of the following is NOT a valid IPv6 address representation?
A) 2001:0db8:0000:0042:0000:8a2e:0370:7334
B) 2001::1
C) 192.168.1.1
D) 3ffe:1900:4545:3:200:f8ff:fe21:67cf
Correct answer: C) 192.168.1.1 - What is the default behavior of a Cisco switch port when it receives an Ethernet frame with an unknown destination MAC address?
A) It forwards the frame out of all ports except the originating port.
B) It drops the frame.
C) It sends a broadcast message to all devices on the network.
D) It sends a unicast message to the source device.
Correct answer: A) It forwards the frame out of all ports except the originating port. - Which protocol is used to automatically assign IPv6 addresses to devices on a network?
A) DHCPv6
B) ARP
C) SLAAC (Stateless Address Autoconfiguration)
D) NDP (Neighbor Discovery Protocol)
Correct answer: C) SLAAC (Stateless Address Autoconfiguration) - What is the purpose of STP (Spanning Tree Protocol) in a switched network?
A) To prevent broadcast storms
B) To facilitate VLAN communication
C) To eliminate network loops
D) To prioritize certain types of traffic
Correct answer: C) To eliminate network loops
- Which OSI layer is responsible for establishing, maintaining, and terminating connections between devices?
A) Network
B) Transport
C) Data Link
D) Session
Correct answer: D) Session - Which command is used to display the routing table on a Cisco router?
A) show routing-table
B) show route
C) show ip route
D) show router
Correct answer: C) show ip route - What is the purpose of VLAN pruning in a switched network?
A) To reduce broadcast traffic within VLANs
B) To dynamically assign VLANs to switch ports
C) To limit the size of VLANs
D) To optimize bandwidth usage by removing unnecessary VLAN traffic
Correct answer: D) To optimize bandwidth usage by removing unnecessary VLAN traffic - Which command is used to configure an IPv4 address on a Cisco router interface?
A) ip address [address] [subnet mask]
B) configure ip address [address] [subnet mask]
C) set ip address [address] [subnet mask]
D) assign ip address [address] [subnet mask]
Correct answer: A) ip address [address] [subnet mask] - What is the primary function of a Layer 2 switch in a network?
A) To forward data packets between different networks
B) To provide inter-VLAN routing
C) To encapsulate data packets for transmission
D) To forward data frames based on MAC addresses within the same network
Correct answer: D) To forward data frames based on MAC addresses within the same network
Seventh Set – CCNA Questions and Answers
- What is the purpose of a default gateway in a TCP/IP network?
A) To translate domain names to IP addresses
B) To provide a backup route in case of network failures
C) To identify the network portion of an IP address
D) To forward packets from the local network to other networks
Correct answer: D) To forward packets from the local network to other networks - Which of the following is NOT a valid IPv4 address class?
A) Class A
B) Class B
C) Class C
D) Class D
Correct answer: D) Class D - What is the purpose of the command “ping” in networking?
A) To display the MAC address table on a switch
B) To test network connectivity by sending ICMP echo requests
C) To display the routing table on a router
D) To configure network interfaces on a device
Correct answer: B) To test network connectivity by sending ICMP echo requests - Which of the following is true about subnetting?
A) It increases the number of available host addresses in a network.
B) It decreases network performance.
C) It is primarily used for encryption purposes.
D) It eliminates the need for a default gateway.
Correct answer: A) It increases the number of available host addresses in a network. - What is the purpose of ARP (Address Resolution Protocol) in TCP/IP networking?
A) To map IP addresses to MAC addresses
B) To encrypt data packets
C) To establish connections between devices
D) To determine the priority of network traffic
Correct answer: A) To map IP addresses to MAC addresses
- Which of the following is a characteristic of a Layer 3 switch?
A) It operates at the Data Link layer of the OSI model.
B) It forwards packets based on MAC addresses.
C) It provides routing functionality in addition to switching.
D) It does not support VLANs.
Correct answer: C) It provides routing functionality in addition to switching. - What is the purpose of the subnet mask in conjunction with an IP address?
A) To identify the network portion of the IP address.
B) To identify the host portion of the IP address.
C) To determine the class of the IP address.
D) To establish a secure connection between devices.
Correct answer: A) To identify the network portion of the IP address. - Which of the following is NOT a valid step in the OSI model?
A) Network
B) Data Link
C) Transport
D) Communication
Correct answer: D) Communication - Which routing protocol uses cost as the metric for path selection?
A) RIP (Routing Information Protocol)
B) OSPF (Open Shortest Path First)
C) EIGRP (Enhanced Interior Gateway Routing Protocol)
D) BGP (Border Gateway Protocol)
Correct answer: B) OSPF (Open Shortest Path First) - What is the primary function of a router in a network?
A) To forward data packets between devices on the same network segment.
B) To provide centralized authentication services.
C) To segment a network into multiple broadcast domains.
D) To forward data packets between different networks.
Correct answer: D) To forward data packets between different networks.
Eighth Set – CCNA Questions and Answers
- Which of the following is a valid IPv4 address range for private networks?
A) 10.0.0.0 – 10.255.255.255
B) 172.16.0.0 – 172.31.255.255
C) 192.168.0.0 – 192.168.255.255
D) All of the above
Correct answer: D) All of the above - What is the primary function of the TCP (Transmission Control Protocol)?
A) To route packets between different networks
B) To establish connections between devices
C) To convert IP addresses to domain names
D) To manage network security
Correct answer: B) To establish connections between devices - Which of the following is NOT a benefit of using VLANs (Virtual Local Area Networks) in a network?
A) Improved network performance
B) Enhanced security
C) Simplified network management
D) Increased broadcast traffic
Correct answer: D) Increased broadcast traffic - Which protocol is used by DHCP (Dynamic Host Configuration Protocol) to dynamically assign IP addresses to devices on a network?
A) UDP (User Datagram Protocol)
B) TCP (Transmission Control Protocol)
C) ARP (Address Resolution Protocol)
D) ICMP (Internet Control Message Protocol)
Correct answer: A) UDP (User Datagram Protocol) - What is the purpose of the command “ipconfig” on a Windows computer?
A) To configure network interfaces
B) To display the IP configuration of a device
C) To encrypt network traffic
D) To establish VPN connections
Correct answer: B) To display the IP configuration of a device
- Which command is used to configure a static IPv4 route on a Cisco router?
A) ip route [destination network] [subnet mask] [next-hop IP]
B) route add [destination network] [subnet mask] [next-hop IP]
C) ip static-route [destination network] [subnet mask] [next-hop IP]
D) route static [destination network] [subnet mask] [next-hop IP]
Correct answer: A) ip route [destination network] [subnet mask] [next-hop IP] - What is the purpose of NAT (Network Address Translation)?
A) To translate public IP addresses to private IP addresses
B) To encrypt network traffic
C) To assign IP addresses dynamically using DHCP
D) To translate private IP addresses to public IP addresses
Correct answer: D) To translate private IP addresses to public IP addresses - Which of the following is a valid IPv6 address representation?
A) 192.168.1.1
B) 2001:0db8:85a3::8a2e:0370:7334
C) 255.255.255.0
D) 172.16.0.0/16
Correct answer: B) 2001:0db8:85a3::8a2e:0370:7334 - Which of the following is NOT a valid type of firewall?
A) Stateful firewall
B) Packet-filtering firewall
C) Proxy firewall
D) Physical firewall
Correct answer: D) Physical firewall - What is the purpose of the “shutdown” command on a Cisco switch interface?
A) To power off the interface
B) To disable the interface
C) To enable the interface
D) To restart the interface
Correct answer: B) To disable the interface
Ninth Set – CCNA Questions and Answers
- Which of the following routing protocols is classified as a distance vector protocol?
A) OSPF
B) EIGRP
C) BGP
D) RIP
Correct answer: D) RIP - What is the primary function of a DHCP relay agent in a network?
A) To assign IP addresses dynamically to devices
B) To forward DHCP messages between clients and servers across different subnets
C) To resolve domain names to IP addresses
D) To manage VLAN configurations
Correct answer: B) To forward DHCP messages between clients and servers across different subnets - Which of the following is NOT a benefit of using NAT (Network Address Translation) in a network?
A) Conservation of public IP addresses
B) Increased network security
C) Facilitation of IPv4 to IPv6 migration
D) Simplification of network addressing
Correct answer: C) Facilitation of IPv4 to IPv6 migration - What is the purpose of ARP (Address Resolution Protocol) in TCP/IP networking?
A) To map IP addresses to MAC addresses
B) To encrypt data packets
C) To establish connections between devices
D) To determine the priority of network traffic
Correct answer: A) To map IP addresses to MAC addresses - Which of the following is NOT a valid reason for using VLANs (Virtual Local Area Networks) in a network?
A) Enhanced security
B) Improved network performance
C) Reduction of broadcast domains
D) Simplification of network troubleshooting
Correct answer: D) Simplification of network troubleshooting
- What is the purpose of the command “show version” on a Cisco device?
A) To display information about the current hardware and software version
B) To configure interface settings
C) To view the running configuration
D) To perform a system reboot
Correct answer: A) To display information about the current hardware and software version - Which of the following is a characteristic of a Layer 2 switch?
A) It operates at the network layer of the OSI model
B) It forwards packets based on IP addresses
C) It provides routing functionality between different networks
D) It forwards frames based on MAC addresses
Correct answer: D) It forwards frames based on MAC addresses - Which command is used to configure SSH (Secure Shell) on a Cisco device?
A) enable ssh
B) ssh configure
C) crypto key generate rsa
D) ip ssh enable
Correct answer: C) crypto key generate rsa - What is the purpose of VLAN pruning in a network?
A) To remove unnecessary VLANs from a trunk link
B) To assign VLANs dynamically to switch ports
C) To prevent VLAN hopping attacks
D) To optimize routing table entries
Correct answer: A) To remove unnecessary VLANs from a trunk link - What is the default administrative distance for BGP (Border Gateway Protocol)?
A) 90
B) 100
C) 110
D) 120
Correct answer: D) 120
Tenth Set – CCNA Questions and Answers
- What is the purpose of the command “ip route 0.0.0.0 0.0.0.0 [next-hop IP]” on a Cisco router?
A) It configures a static default route.
B) It configures a dynamic default route using OSPF.
C) It disables IP routing on the router.
D) It configures a loopback interface.
Correct answer: A) It configures a static default route. - Which of the following is NOT a benefit of using a Layer 3 switch in a network?
A) Enhanced network scalability
B) Improved network performance
C) Simplified network management
D) Reduced network security
Correct answer: D) Reduced network security. - What is the purpose of ACLs (Access Control Lists) in networking?
A) To control traffic flow based on MAC addresses
B) To prevent IP address conflicts
C) To filter network traffic based on various criteria
D) To establish VPN connections
Correct answer: C) To filter network traffic based on various criteria. - Which command is used to verify the status of an interface on a Cisco device?
A) show interface status
B) show ip interface brief
C) show interface
D) show running-config
Correct answer: A) show interface status. - What is the primary function of a DNS (Domain Name System) server in a network?
A) To assign IP addresses to devices dynamically
B) To resolve domain names to IP addresses
C) To encrypt network traffic
D) To facilitate secure remote access
Correct answer: B) To resolve domain names to IP addresses.
- Which type of cable is commonly used to connect a PC to a switch or router?
A) Straight-through cable
B) Crossover cable
C) Rollover cable
D) Fiber optic cable
Correct answer: A) Straight-through cable. - What is the primary purpose of NAT (Network Address Translation) overload?
A) To translate private IP addresses to public IP addresses
B) To translate multiple internal IP addresses to a single external IP address
C) To establish secure VPN connections
D) To encrypt network traffic
Correct answer: B) To translate multiple internal IP addresses to a single external IP address. - Which of the following is a characteristic of full-duplex communication?
A) Only one device can transmit at a time.
B) Devices can transmit and receive data simultaneously.
C) Collisions are common on the network.
D) It operates at a slower speed than half-duplex communication.
Correct answer: B) Devices can transmit and receive data simultaneously. - Which protocol is used for secure remote management of network devices?
A) Telnet
B) SSH (Secure Shell)
C) FTP (File Transfer Protocol)
D) SNMP (Simple Network Management Protocol)
Correct answer: B) SSH (Secure Shell). - What is the purpose of the command “spanning-tree portfast” on a Cisco switch interface?
A) To enable rapid spanning-tree convergence
B) To disable the spanning tree protocol on the interface
C) To immediately transition the interface to the forwarding state
D) To configure the interface as an access port
Correct answer: C) To immediately transition the interface to the forwarding state.
CCNA Exam Fee
| Level | Exam | Price in $USD, plus tax |
| Entry level exams | Cisco Certified Support Technician (CCST Cybersecurity) Cisco Certified Support Technician (CCST Networking) | $125 |
| Associate level exams | Cisco Certified Network Associate (200-301) CyberOps Associate (200-201) DevNet Associate (200-901) | $300 |
| Professional level exams | CCNP Core exams (350-xxx) | $400 |
| CCNP Concentration exams (300-xxx) | $300 | |
| Expert level exams | CCDE Written exam (400-007) | $450 |
| CCIE Lab and CCDE Practical exams at testing facilities | $1,600 | |
| CCIE Cisco Kit Mobile Lab exams | $1,900 | |
| CCIE BYOD Mobile Lab exams | $1,600 | |
| Specialist level exams | Specialist Certification exams (500-xxx) | $300 |
| Business Specialist Written Level 2 exams (820-xxx) | $250 | |
| Channel/Partner exams | Sales Readiness exams (700-xxx) | $80 |
Visit Pearson VUE for an expanded list of countries, currencies, and exams.
Can I Take CCNA Free?
Yes, you have access to a complimentary CCNA course through Network Kings, a well-known educational technology platform. Network Kings offers free CCNA certification training. Wondering if CCNA 200-301 comes at no cost? Network Kings extends the opportunity for free CCNA 200-301 certification.
Other Practice Material
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