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CCNA 200-301 Exam Questions and Answers: Networking Fundamentals, Exams of Computer Networks

Cisco CollegeComputer Networks

A comprehensive set of questions and answers covering key concepts in the ccna 200-301 exam syllabus. It explores fundamental networking topics such as routing protocols, switching, network security, and network address translation. Designed to help students prepare for the ccna 200-301 exam by providing a structured approach to understanding and applying networking principles.

Typology: Exams

2024/2025

Available from 02/11/2025

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CCNA 200-301 EXAM QUESTIONS WITH COMPLETE &
ACCURATE SOLUTIONS.
1) Which criteria are used to select the designated router (DR) on an OSPF network
segment? -- Answer ✔✔ the priority of the routers is the criteria; the router with
the highest priority becomes the DR.
2) Which command should you use to disable CDP on a Cisco router -- Answer ✔✔
no cdp run command
3) What are the two states a switch port must transit from blocking to forwarding
during normal operation of STP? -- Answer ✔✔ listening and learning
4) In which type of internal switching process does a frame experience latency greater
than cut-through but less than store forward internal switching? -- Answer ✔✔
fragment-free
5) What is the purpose of virtual desktops? -- Answer ✔✔ It will allow you to
implement a uniform user environment.
6) Which Cisco IOS show command will generate the output "Serial0 is
administratively down, line protocol is down"? -- Answer ✔✔ show interfaces
command
7) What are the five port states that STP uses to define port status on a switch? --
Answer ✔✔ Forwarding
Blocking
Listening
Learning
Disabled
pf3
pf4
pf5
pf8
pf9
pfa
pfd
pfe
pff
pf12
pf13
pf14
pf15

Partial preview of the text

Download CCNA 200-301 Exam Questions and Answers: Networking Fundamentals and more Exams Computer Networks in PDF only on Docsity!

CCNA 200- 301 EXAM QUESTIONS WITH COMPLETE &

ACCURATE SOLUTIONS.

  1. Which criteria are used to select the designated router (DR) on an OSPF network segment? -- Answer ✔✔ the priority of the routers is the criteria; the router with the highest priority becomes the DR.
  2. Which command should you use to disable CDP on a Cisco router -- Answer ✔✔ no cdp run command
  3. What are the two states a switch port must transit from blocking to forwarding during normal operation of STP? -- Answer ✔✔ listening and learning
  4. In which type of internal switching process does a frame experience latency greater than cut-through but less than store forward internal switching? -- Answer ✔✔ fragment-free
  5. What is the purpose of virtual desktops? -- Answer ✔✔ It will allow you to implement a uniform user environment.
  6. Which Cisco IOS show command will generate the output "Serial0 is administratively down, line protocol is down"? -- Answer ✔✔ show interfaces command
  7. What are the five port states that STP uses to define port status on a switch? -- Answer ✔✔ Forwarding Blocking Listening Learning Disabled
  1. Which cable is used on a router's wide area network (WAN) interface to connect to the serial ports? -- Answer ✔✔ Serial cable
  2. What should be the default for a host that needs to access a server on a network across the local router? -- Answer ✔✔ IP address of the local interface of the router
  3. Which Cisco IOS command is used to restore the backup IOS image stored on a TFTP server to the target router? -- Answer ✔✔ copy tftp flash command
  4. Which command is executed to verify end-to-end connectivity in an OSPF network? -- Answer ✔✔ The extended ping command
  5. What does "C" imply in the show ip route command output? -- Answer ✔✔ directly connected routes
  6. What port number is the default for DNS? -- Answer ✔✔ 53
  7. What PPP authentication method never sends the password across the network? -- Answer ✔✔ CHAP
  8. What are your two choices for encryption in the GUI when configuring WPA2? -- Answer ✔✔ AES and TKIP
  9. Which routing protocol supports point-to-point and point-to-multipoint connections? -- Answer ✔✔ open shortest path first (ospf)
  10. What are the three commands that are used to configure the console password on the Cisco router? -- Answer ✔✔ line con 0, login, and password
  11. Which Cisco IOS command can be used to verify the routes which are summarized for an interface? -- Answer ✔✔ show ip protocols command
  1. In RSTP, what is the non-root port that has the best path to the root bridge on a given segment called? -- Answer ✔✔ a designated port
  2. What would be the destination MAC address for a host sending a packet to another host across a router? -- Answer ✔✔ MAC address of the router
  3. What is the maximum number if subnets that will be created with IP address 192.168.2.1 and subnet mask 255.255.255.240? -- Answer ✔✔ 16
  4. Which two commands should be used to set the priority and the cost of a switchport such that it is in a forwarding state for the native VLAN? -- Answer ✔✔ The spanning-tree vlan 1 cost 1 command and the spanning-tree vlan 1 port- priority 0 command
  5. Which Cisco IOS show command will generate the output "MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, rely 255/255, load 1/255"? -- Answer ✔✔ show interfaces command
  6. What is the default status of CDP on a Cisco device? -- Answer ✔✔ CDP is enabled by default
  7. What is the default interval used by CDP to send updates? -- Answer ✔✔ 60 seconds
  8. How does a standalone switch treat a Unicast frame for which it could not find any mapping in the switch MAC table? -- Answer ✔✔ the switch will forward the frame to all ports except the port on which it was received.
  9. What would be the host IP address range, if the IP address given is 192.168.2.1 and the mask bit is 29? -- Answer ✔✔ 192.168.2. 1 to 192.168.2.
  10. Which type of switching process only waits to receive the first 64 bytes of the frame before forwarding it the destination port? -- Answer ✔✔ fragment-free
  1. Which protocol ensures that only one active path exists between any two LAN segments by enabling specific ports and blocking others? -- Answer ✔✔ spanning tree protocol (stp)
  2. Which command displays the adjacencies of an OSPF router? -- Answer ✔✔ Show ip ospf interface command
  3. What command is required to create a password that will be encrypted when it appears in the show run command? -- Answer ✔✔ enable secret
  4. What component is installed on routers to ensure that DHCP packets can be forwarded to different subnets? -- Answer ✔✔ relay agent
  5. What multicast address is used by Open Shortest Path Fist (OSPF) for ALLSPFRouters? -- Answer ✔✔ 224.0.0.
  6. What factor determines the number of simultaneous translations that a router will support? -- Answer ✔✔ amount of Dynamic Random Access Memory (DRAM) of the router.
  7. Which TCP/IP protocol provides reliable bi-directional file transfers? -- Answer ✔✔ file Transfer Protocol (FTP)
  8. Which protocol option should be selected to encrypt and transmit data between peer routers with high confidentiality? -- Answer ✔✔ Encapsulating Security Payload (ESP) in tunnel mode
  9. What RFC specifies Hot Standby Router Protocol (HSRP)? -- Answer ✔✔ RFC 2281
  10. What multicast address is used by Open Shortest Path First (OSPF) for ALL DRouters? -- Answer ✔✔ 224.0.0.
  1. What is the default administrative distance for directly connected interfaces? -- Answer ✔✔ zero
  2. What is the default priority of OSPF routers? -- Answer ✔✔ one
  3. Which ip route command will create a default route to network 191.31.23.1? -- Answer ✔✔ ip route 0.0.0.0 0.0.0.0 191.31.23.
  4. What does "S" imply in the show ip route command output? -- Answer ✔✔ static route
  5. What is the default administrative distance for Open Shortest Path First (OSPF)? -- Answer ✔✔ 110
  6. What is the primary difference between routing and bridging? -- Answer ✔✔ Bridging takes place at OSI Layer 2, and routing takes place at OSI Layer 3.
  7. Which Cisco IOS command is used to configure an enable password on a router? -- Answer ✔✔ the enable password command
  8. Which port does TFTP use? -- Answer ✔✔ port 69
  9. what is the asymmetric encryption algorithm? -- Answer ✔✔ RSA
  10. Which Cisco Internetwork Operating System (IOS) command displays all port security settings for a specified interface? -- Answer ✔✔ show port-security interface-id command
  11. What are the four types of Network Address Translation as defined by Cisco? -- Answer ✔✔ Static, dynamic, overloading, and overlapping
  12. When a packet is being transferred across a network, the________________ addresses in the frame header keep changing, but the ___________ addresses in the packet do not. -- Answer ✔✔ MAC, IP
  1. At which OSI Layer does the FTP protocol operate? -- Answer ✔✔ OSI Layer 7
  2. Which encryption algorithm generates a set of keys which includes a public key and a private key? -- Answer ✔✔ Asymmetric encryption
  3. Which Cisco Internetwork Operating System (IOS) command is used to define the default gateway address when IP routing is disabled in the network? -- Answer ✔✔ ip default-gateway command
  4. Which two of the four DHCP messages that are exchanged between a host and a DHCP server, are unicast? -- Answer ✔✔ DHCPOFFER and DHCPACK
  5. Which Cisco IOS interface configuration command will enable that interface to acquire an IP address from a DHCP server? -- Answer ✔✔ ip address dhcp interface configuration command
  6. What port number is used by DHCP? -- Answer ✔✔ UDP port 67 for the DHCP server, and UDP prot 68 for the DHCP client
  7. What is the amount of time a device maintains the IP address assigned by the DHCP server called? -- Answer ✔✔ lease period
  8. Which Cisco IOS command will enable a router to copy the configuration files of NVRAM to its RAM? -- Answer ✔✔ copy startup-configuration running- configuration command
  9. Which routes are used for routing packets destined for networks not listed in the routing table? -- Answer ✔✔ default routes
  10. Which Cisco IOS interface configuration command is used to enable DHCP relay agent on the specified router interface? -- Answer ✔✔ ip helper-address interface configuration command
  11. With which type of NAT is the translation table populated as the required traffic flows through NAT-enabled devices? -- Answer ✔✔ Dynamic NAT
  1. Which two routing protocols perform equal and unequal load balancing by default? -- Answer ✔✔ enhanced interior gateway routing protocol (EIGRP) and interior gateway routing protocol (IGRP)
  2. When configuring NAT, which interface should be specified as outside? -- Answer ✔✔ the external interface, or to the internet
  3. Which Cisco IOS command is used to view information about the OSPF routing processes? -- Answer ✔✔ show ip ospf command
  4. Which signatures rely on digital signatures for Internet Key Exchange (IKE) peer authentication? -- Answer ✔✔ RSA signatures
  5. Which protocol uses a one-way hash function based on the Message Digest 5 (MD5) hashing algorithm to hash the password? -- Answer ✔✔ Challenge Handshake Authentication Protocol (CHAP)
  6. Where does a router store the paths to different networks? -- Answer ✔✔ a routing table
  7. Which TCP port does File Transfer Protocol (FTP) use to communicate the other hosts? -- Answer ✔✔ TCP port 21
  8. Which Layer 4 protocol does FTP use? -- Answer ✔✔ TCP
  9. In GLBP, which router creates the virtual MAC addresses that are assigned to each of the routers in the group? -- Answer ✔✔ the active virtual gateway (AVG)
  10. Which routing metric enables a router to decide the best path through the network based on the maximum attainable throughput on a link? -- Answer ✔✔ bandwidth
  11. Which Cisco IOS command is used to view the current state of the active routing protocol process? -- Answer ✔✔ show ip protocols command
  1. What command restricts remote access to SSH? -- Answer ✔✔ transport input SSH
  2. Which network attack results in denial of access to system or resources to legitimate users? -- Answer ✔✔ Denial of Service (DoS) attack.
  3. Which of the ip default-gateway, ip default-network, and ip route 0.0.0.0 0.0.0.0. commands is used to define gateway of last resort in the absence of IP routing? -- Answer ✔✔ ip default-gateway command
  4. Where do you restrict remote access to SSH only? -- Answer ✔✔ under the line VTY
  5. Which two TCP ports does FTP use -- Answer ✔✔ ports 20 and 21
  6. Which area must be configured on the area border routers (ABRs)? -- Answer ✔✔ the backbone area (area 0)
  7. What is the commonly used protocol for exchanging files over the Internet or an intranet network that supports the TCP/IP protocol? -- Answer ✔✔ file transfer protocol (FTP)
  8. Including the correct prompt, what is the command to apply ACL 105 to a physical interface that examines incoming packets? -- Answer ✔✔ router (config- if)#ip access-group 105 in
  9. To what interface does a host send a packet if the host determines the destination IP address is in another subnet? -- Answer ✔✔ To the default gateway of the local router interface
  10. Which Cisco IOS global configuration command will configure 12.10.13.1 as the default gateway on the router? -- Answer ✔✔ ip default-gateway 12.10.13.
  11. What is the first step to implement an OSPF autonomous system (AS)? -- Answer ✔✔ Enabling the OSPF process on all the routers in the AS
  1. Which Cisco IOS command is used to configure an encrypted enable secret password for privileged exec mode on a router? -- Answer ✔✔ enable secret command
  2. In what state is an HSRP router when it hears from the active router and knows the virtual IP address, but is not yet participating in the active and standby router election? -- Answer ✔✔ listen state
  3. Which network attack is executed by using multiple hosts to flood the network or send requests to a resource resulting in choking of network resources? -- Answer ✔✔ Distributed Denial of Service (DDoS) attack
  4. Which protocol is used to automate the distribution of IP addresses to clients from a central server? -- Answer ✔✔ Dynamic Host Configuration Protocol (DHCP)
  5. What is the purpose of MAC filtering? -- Answer ✔✔ to allow or deny a connection based on the client's Media Access Control (MAC) address.
  6. Which two routing protocols are Cisco Systems' proprietary routing protocol? -- Answer ✔✔ Enhanced Interior Gateway Routing Protocol (EIGRP) and Interior Gateway routing Protocol (IGRP)
  7. What is the default configuration mode for the switchport port-security violation command if none is specified? -- Answer ✔✔ shutdown
  8. What is another term for the default gateway? -- Answer ✔✔ gateway of the last resort
  9. Which command is used to verify the full neighbor relationship between OSPF routers? -- Answer ✔✔ show ip osfp neighbor command
  10. Which Internet Protocol (IP) protocol is used by OSPF? -- Answer ✔✔ 89
  1. How does Hot Standby Router Protocol (HSRP) provide a gateway IP address to the workstation? -- Answer ✔✔ The active HSRP router replies to the workstation's ARP request with the virtual router's MAC address.
  2. In GLBP, what is the term for a router that forwards packets sent to its virtual Mac address? -- Answer ✔✔ an active virtual forwarder (AVF)
  3. What are three configuration modes for the switchport port-security violation command? -- Answer ✔✔ shutdown, restrict, and protect
  4. At which layer of the OSI model does TFTP operate? -- Answer ✔✔ Application layer (layer7)
  5. Which service port, if blocked by firewall software, will prevent access to computers on the Internet by their fully qualified domain names (FQDNs)? -- Answer ✔✔ DNS
  6. Which type of NAT maps an unregistered IP address on a one-to-one basis? -- Answer ✔✔ Static NAT
  7. Which type of NAT maps an unregistered IP address to a registered IP from a range of registered IP addresses? -- Answer ✔✔ Dynamic NAT
  8. What does the number 7 refer to in the command ip nat inside source list 7 pool ourpool overload? -- Answer ✔✔ An access list used to determine computers that are allowed to have their traffic translated.
  9. What information must be provided to generate the SSH encryption key? -- Answer ✔✔ device name and domain name
  10. Which protocol is connectionless FTP or TFTP? -- Answer ✔✔ TFTP is connectionless. FTP must establish a connection.
  11. With which type of NAT is the translation table populated manually? -- Answer ✔✔ static NAT
  1. Which Cisco IOS command is used to view the list of trunk ports and VLAN frame tagging methods configured for ports? -- Answer ✔✔ show interface trunk command
  2. What command configures a port with a VLAN? -- Answer ✔✔ switchport access vlan {vlan-id | dynamic}
  3. Which Cisco IOS show command will display CDP information regarding a particular neighboring device? -- Answer ✔✔ the show cdp entry command
  4. Which OSI Layer 2 devices provide hardware-based switching of LAN traffic? -- Answer ✔✔ LAN switches
  5. What is the process called whereby you prevent VLAN traffic from being transmitted to parts if the networks where no VLAN members reside? -- Answer ✔✔ pruning
  6. What ports are members of all VLANs by default? -- Answer ✔✔ trunk ports
  7. Passive is a setting used in which Etherchannel method? -- Answer ✔✔ Link Aggregation Control Protocol (LACP)
  8. Which type of switching process allows switch to verify the Frame Check Sequence (FCS) of a frame before forwarding it to the destination port? -- Answer ✔✔ store and forward
  9. How many hosts per subnet can be accommodated with IP address 172.28.23. and subnet mask 255.255.240.0? -- Answer ✔✔ 4094
  10. What is the term used for IP packets that carry voice signals between two IP phones? -- Answer ✔✔ Voice over IP (VoIP)
  11. At which OSI layer do the wireless access points operate? -- Answer ✔✔ OSI Layer 2
  1. What is the easiest way to force a specific switch to become the spanning-tree root bridge for a VLAN? -- Answer ✔✔ Lower the spanning-tree priority value on the switch.
  2. How does a standalone switch treat a broadcast frame? -- Answer ✔✔ The switch will forward the packet to all ports except the port on which it was received.
  3. How does a standalone switch treat a multicast frame? -- Answer ✔✔ The switch will forward the packet to all ports except the port on which it was received.
  4. Which method is used to identify frames from different VLANs? -- Answer ✔✔ Frame tagging
  5. What is the WLAN name called? -- Answer ✔✔ SSID
  6. Which Cisco IOS Discovery Protocol (CDP) show command will display the IP address of the connected device? -- Answer ✔✔ show cdp neighbors detail privileged EXEC mode command.
  7. Which type of Ethernet cable is used to connect the 10/100 port on the switch to another switch? -- Answer ✔✔ a crossover cable
  8. What is the range of Private address for Class C IP addresses? -- Answer ✔✔ 192.168.0.0 to 192.168.255.
  9. Which Cisco IOS CDP show command can be used to verify whether CDP is enabled on a particular device? -- Answer ✔✔ the show cdp neighbors command
  10. Which Cisco IOS command is used to enable the Cisco Discovery Protocol (CDP) on a Cisco device? -- Answer ✔✔ the cdp run global configuration command
  1. Which Cisco IOS CDP show command deploys the interface on which Cisco Discovery Protocol is enabled? -- Answer ✔✔ the show cdp interface privileged EXEC mode command.
  2. Which protocol does a switch use in order to create a loop-free environment? -- Answer ✔✔ spanning tree protocol (STP)
  3. What command would be used to enable a port for VLAN 15 in access link mode? -- Answer ✔✔ the Switch(config-if)#switchport access vlan 15 command.
  4. What type of communication occurs when a host sends a frame to any specific host on the LAN? -- Answer ✔✔ Unicast
  5. Which type of Ethernet cable is used to connect the 10/100 port on the switch to a router? -- Answer ✔✔ a straight-through cable
  6. Which Virtual Local Area Network (VLAN) frame tagging method adds a 4-byte tag in the middle of the original Ethernet frame? -- Answer ✔✔ IEEE 802. 1Q
  7. What command enables routing on a multilayer switch? -- Answer ✔✔ switch(config)#ip routing
  8. What would be the broadcast address if the IP address given is 172.28.23.2 and the subnet mask is 255.255.240.0? -- Answer ✔✔ 172.28.31.
  9. Which internal switching process works on the premise that collisions are detected within the first 64 bytes of a frame? -- Answer ✔✔ fragment-free
  10. What command places a port on a multi-layer switch in Layer 3 mode? -- Answer ✔✔ switch(config-if)#no switchport
  11. How many broadcast domains does a 4-port hub create? -- Answer ✔✔ one
  12. Which command allows you to verify the VLAN assignment on the switches in a network? -- Answer ✔✔ the show vlan command
  1. Which Cisco IOS command is used to desplay VLAN Trunking Protocol (VTP) domain information? -- Answer ✔✔ show vtp domain command
  2. Which connection types can carry frames for multiple VLANs? -- Answer ✔✔ trunk connections
  3. Which command is used to enable a secure web server on a Cisco device? -- Answer ✔✔ ip http secure-server
  4. What Cisco IOS command will be used to create a VLAN named Sales with a VLAN number of 25 -- Answer ✔✔ vlan 25 name Sales command
  5. How many collision domains does a 12-port switch create? -- Answer ✔✔ 12
  6. Which type of cable is used to connect the console port on the switch to a terminal? -- Answer ✔✔ a rollover console cable
  7. Which device connects the 4-wire cable of the ISP WAN and the router? -- Answer ✔✔ CSU/DSU
  8. Which Layer 2 network devices forward frames based on a MAC address table which is dynamically populated as the device learns new MAC addresses? -- Answer ✔✔ switches
  9. What are the three approaches for troubleshooting network problems using the OSI layered model? -- Answer ✔✔ bottom up, top down, and divide and conquer
  10. What is the term used for the variation in the delay between two voice packets? -- Answer ✔✔ jitters
  11. What is the result when both ends of a Etherchannel are set to Auto -- Answer ✔✔ An Etherchannel will not form.