Explore topic-wise MCQs in Engineering.

This section includes 274 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

What VTP mode allows you to change VLAN information on the switch?

A. Client
B. STP
C. Server
D. Transparent
Answer» D. Transparent
2.

You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal?

A. Managed hubs
B. Bridges
C. Switches
D. Switches configured with VLANs
Answer» E.
3.

Which of the following provide inter-switch VLAN communication?

  1. ISL
  2. VTP
  3. 802.1Q
  4. 802.3Z

A. 2 only
B. 1 and 3
C. 2 and 4
D. 2, 3 and 4
Answer» C. 2 and 4
4.

Which of the following protocols are used to configure trunking on a switch?

  1. VLAN Trunk Protocol
  2. VLAN
  3. 802.1Q
  4. ISL

A. 1 only
B. 3 only
C. 3 and 4
D. 1, 3 and 4
Answer» D. 1, 3 and 4
5.

To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?

  1. Each end of the trunk link must be set to the IEEE 802.1e encapsulation.
  2. The VTP management domain name of both switches must be set the same.
  3. All ports on both the switches must be set as access ports.
  4. One of the two switches must be configured as a VTP server.
  5. A rollover cable is required to connect the two switches together.
  6. A router must be used to forward VTP traffic between VLANs.

A. 1, 2 and 4
B. 3, 5 and 6
C. 2 and 4
D. 1 and 6
Answer» D. 1 and 6
6.

Which command will show you all the translations active on your router?

A. <i class="networking-code">show ip nat translations</i>
B. <i class="networking-code">show ip nat statistics</i>
C. <i class="networking-code">debug ip nat</i>
D. <i class="networking-code">clear ip nat translations *</i>
Answer» B. <i class="networking-code">show ip nat statistics</i>
7.

Which command would you place on interface connected to the Internet?

A. <i class="networking-code">ip nat inside</i>
B. <i class="networking-code">ip nat outside</i>
C. <i class="networking-code">ip outside global</i>
D. <i class="networking-code">ip inside local</i>
Answer» C. <i class="networking-code">ip outside global</i>
8.

Which command would you place on interface on a private network?

A. <i class="networking-code">ip nat inside</i>
B. <i class="networking-code">ip nat outside</i>
C. <i class="networking-code">ip outside global</i>
D. <i class="networking-code">ip inside local</i>
Answer» B. <i class="networking-code">ip nat outside</i>
9.

Port Address Translation is also termed what?

A. NAT Fast
B. NAT Static
C. NAT Overload
D. Overloading Static
Answer» D. Overloading Static
10.

When creating a pool of global addresses, which of the following can be used instead of the netmask command?

A. <i class="networking-code">/</i>
B. (slash notation)
C. <i class="networking-code">prefix-length</i>
D. <i class="networking-code">no mask</i>
E. <i class="networking-code">block-size</i>
Answer» C. <i class="networking-code">prefix-length</i>
11.

Which of the following is true regarding VLANs?

A. You must have at least two VLANs defined in every Cisco switched network.
B. All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.
C. You should not have more than 10 switches in the same VTP domain.
D. VTP is used to send VLAN information to switches in a configured VTP domain.
Answer» E.
12.

Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?

A. STP
B. VTP
C. DHCP
D. ISL
Answer» C. DHCP
13.

Which of the following is true regarding VTP?

A. All switches are VTP servers by default.
B. All switches are VTP transparent by default.
C. VTP is on by default with a domain name of Cisco on all Cisco switches.
D. All switches are VTP clients by default.
Answer» B. All switches are VTP transparent by default.
14.

Which of the following commands sets a trunk port on a 2960 switch?

A. <i class="networking-code">trunk on</i>
B. <i class="networking-code">trunk all</i>
C. <i class="networking-code">switchport trunk on</i>
D. <i class="networking-code">switchport mode trunk</i>
Answer» E.
15.

With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?

A. Point-to-point
B. Backbone area 0
C. Broadcast multi-access
D. Non-broadcast multi-access
Answer» B. Backbone area 0
16.

Which of the following describe the process identifier that is used to run OSPF on a router?

  1. It is locally significant.
  2. It is globally significant.
  3. It is needed to identify a unique instance of an OSPF database.
  4. It is an optional parameter required only if multiple OSPF processes are running on the router.

A. 1, 2 and 4
B. 1 and 3
C. 3 and 5
D. All of the above
Answer» C. 3 and 5
17.

You telnet to a router and make your necessary changes; now you want to end the Telnet session. What command do you type in?

A. <i class="networking-code">close</i>
B. <i class="networking-code">disable</i>
C. <i class="networking-code">disconnect</i>
D. <i class="networking-code">exit</i>
Answer» E.
18.

Which two of the following commands will place network 10.2.3.0/24 into area 0?

  1. router eigrp 10
  2. router ospf 10
  3. network 10.0.0.0
  4. network 10.2.3.0 0.0.0.255 area0
  5. network 10.2.3.0 0.0.0.255 area 0

A. 1 and 4
B. 2, 4, and 5
C. 2 and 5
D. 3 and 4
Answer» D. 3 and 4
19.

Which of the following are true regarding OSPF areas?

  1. You must have separate loopback interfaces configured in each area.
  2. The numbers you can assign an area go up to 65,535.
  3. The backbone area is also called area 0.
  4. If your design is hierarchical, then you don't need multiple areas.
  5. All areas must connect to area 0.

A. 1 only
B. 1 and 2 only
C. 3 and 4 only
D. 3, 4 and 5
Answer» E.
20.

What are reasons for creating OSPF in a hierarchical design?

  1. To decrease routing overhead
  2. To speed up convergence
  3. To confine network instability to single areas of the network
  4. To make configuring OSPF easier

A. 1, 2 and 3
B. 3 only
C. 3 and 4
D. 2, 3 nd 4
Answer» B. 3 only
21.

Which of the following network types have a designated router and a backup designated router assigned?

  1. Broadcast
  2. Point-to-point
  3. NBMA
  4. NBMA point-to-point

A. 1, 2 and 3
B. 1 and 3
C. 3 and 4
D. All of the above
Answer» C. 3 and 4
22.

A network administrator needs to configure a router with a distance-vector protocol that allows classless routing. Which of the following satisfies those requirements?

A. IGRP
B. OSPF
C. RIPv1
D. EIGRP
E. IS-IS
Answer» E. IS-IS
23.

You need the IP address of the devices with which the router has established an adjacency. Also, the retransmit interval and the queue counts for the adjacent routers need to be checked. What command will display the required information?

A. <i class="networking-code">show ip eigrp adjacency</i>
B. <i class="networking-code">show ip eigrp topology</i>
C. <i class="networking-code">show ip eigrp interfaces</i>
D. <i class="networking-code">show ip eigrp neighbors</i>
Answer» E.
24.

What is the administrative distance of OSPF?

A. 90
B. 100
C. 110
D. 120
Answer» D. 120
25.

Where are EIGRP successor routes stored?

A. In the routing table only
B. In the neighbor table only
C. In the topology table only
D. In the routing table and the topology table
E. In the routing table and the neighbor table
Answer» E. In the routing table and the neighbor table
26.

Which switching technology reduces the size of a broadcast domain?

A. ISL
B. 802.1Q
C. VLANs
D. STP
Answer» D. STP
27.

You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?

A. The router is not configured for the new host.
B. The VTP configuration on the switch is not updated for the new host.
C. The host has an invalid MAC address.
D. The switch port the host is connected to is not configured to the correct VLAN membership.
Answer» E.
28.

Which of the following is an IEEE standard for frame tagging?

A. ISL
B. 802.3Z
C. 802.1Q
D. 802.3U
Answer» D. 802.3U
29.

Which command loads a new version of the Cisco IOS into a router?

A. <i class="networking-code">copy flash ftp</i>
B. <i class="networking-code">copy ftp flash</i>
C. <i class="networking-code">copy flash tftp</i>
D. <i class="networking-code">copy tftp flash</i>
Answer» E.
30.

Which EIGRP information is held in RAM and maintained through the use of Hello and update packets?

  1. Neighbor table
  2. STP table
  3. Topology table
  4. DUAL table

A. 2 only
B. 4 only
C. 1 and 3
D. All of the above
Answer» D. All of the above
31.

Which command will copy the IOS to a backup host on your network?

A. <i class="networking-code">transfer IOS to 172.16.10.1</i>
B. <i class="networking-code">copy run start</i>
C. <i class="networking-code">copy start tftp</i>
D. <i class="networking-code">copy flash tftp</i>
Answer» E.
32.

You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?

A. <i class="networking-code">Router&gt; ping</i>
B. <i class="networking-code">Router&gt; trace</i>
C. <i class="networking-code">Router&gt; show ip route</i>
D. <i class="networking-code">Router&gt; show interface</i>
Answer» C. <i class="networking-code">Router&gt; show ip route</i>
33.

The configuration register setting of 0x2102 provides what function to a router?

A. Tells the router to boot into ROM monitor mode
B. Provides password recovery
C. Tells the router to look in NVRAM for the boot sequence
D. Boots the IOS from a TFTP server
Answer» D. Boots the IOS from a TFTP server
34.

Which command will allow you to see real-time translations on your router?

A. <i class="networking-code">show ip nat translations</i>
B. <i class="networking-code">show ip nat statistics</i>
C. <i class="networking-code">debug ip nat</i>
D. <i class="networking-code">clear ip nat translations *</i>
Answer» D. <i class="networking-code">clear ip nat translations *</i>
35.

Which of the following is considered to be the destination host after translation?

A. Inside local
B. Outside local
C. Inside global
D. Outside global
Answer» E.
36.

Which command will display all the EIGRP feasible successor routes known to a router?

A. <i class="networking-code">show ip routes *</i>
B. <i class="networking-code">show ip eigrp summary</i>
C. <i class="networking-code">show ip eigrp topology</i>
D. <i class="networking-code">show ip eigrp adjacencies</i>
Answer» D. <i class="networking-code">show ip eigrp adjacencies</i>
37.

Which of the following protocols support VLSM, summarization, and discontiguous networking?

  1. RIPv1
  2. IGRP
  3. EIGRP
  4. OSPF
  5. BGP
  6. RIPv2

A. 1 and 4
B. 2 and 5
C. 3, 4 and 6
D. All of the above
Answer» D. All of the above
38.

You get a call from a network administrator who tells you that he typed the following into his router:

Router(config)#router ospf 1
Router(config-router)#network 10.0.0.0 255.0.0.0 area 0
He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

A. The wildcard mask is incorrect.
B. The OSPF area is wrong.
C. The OSPF Process ID is incorrect.
D. The AS configuration is wrong.
Answer» B. The OSPF area is wrong.
39.

When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?

A. By default, all VLANs are allowed on the trunk.
B. No VLAN's are allowed, you must configure each VLAN by hand.
C. Only configured VLAN's are allowed on the link.
D. Only extended VLAN's are allowed by default.
Answer» B. No VLAN's are allowed, you must configure each VLAN by hand.
40.

You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful?

  1. TFTP server software must be running on the router.
  2. TFTP server software must be running on your laptop.
  3. The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable.
  4. The laptop must be on the same subnet as the router's Ethernet interface.
  5. The copy flash tftp command must be supplied the IP address of the laptop.

A. 1, 3 and 4
B. 2, 4 and 5
C. 3 and 5 only
D. 5 only
Answer» C. 3 and 5 only
41.

What information is displayed by the show hosts command?

  1. Temporary DNS entries
  2. The names of the routers created using the hostname command
  3. The IP addresses of workstations allowed to access the router
  4. Permanent name-to-address mappings created using the ip host command
  5. The length of time a host has been connected to the router via Telnet

A. 1, 2 and 3
B. 1 and 4
C. 3, 4, and 5
D. All of the above
Answer» C. 3, 4, and 5
42.

Your company is running IGRP using an AS of 10. You want to configure EIGRP on the network but want to migrate slowly to EIGRP and don't want to configure redistribution. What command would allow you to migrate over time to EIGRP without configuring redistribution?

A. <i class="networking-code">router eigrp 11</i>
B. <i class="networking-code">router eigrp 10</i>
C. <i class="networking-code">router eigrp 10 redistribute igrp</i>
D. <i class="networking-code">router igrp combine eigrp 10</i>
Answer» C. <i class="networking-code">router eigrp 10 redistribute igrp</i>
43.

The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?

A. RAM should be erased and the router restarted.
B. Flash should be erased and the router restarted.
C. NVRAM should be erased and the router restarted.
D. The new configuration should be entered and saved.
Answer» D. The new configuration should be entered and saved.
44.

Which command will show you the IOS version running on your router?

A. <i class="networking-code">sh IOS</i>
B. <i class="networking-code">sh flash</i>
C. <i class="networking-code">sh version</i>
D. <i class="networking-code">sh running-config</i>
Answer» D. <i class="networking-code">sh running-config</i>
45.

A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?

A. <i class="networking-code">show version</i>
B. <i class="networking-code">show flash</i>
C. <i class="networking-code">show memory</i>
D. <i class="networking-code">show buffers</i>
Answer» C. <i class="networking-code">show memory</i>
46.

Which command displays the configuration register setting?

A. <i class="networking-code">show ip route</i>
B. <i class="networking-code">show boot version</i>
C. <i class="networking-code">show version</i>
D. <i class="networking-code">show flash</i>
Answer» D. <i class="networking-code">show flash</i>
47.

What should the configuration register value be after you successfully complete the password recovery procedure and return the router to normal operation?

A. <i class="networking-code">0x2100</i>
B. <i class="networking-code">0x2101</i>
C. <i class="networking-code">0x2102</i>
D. <i class="networking-code">0x2142</i>
Answer» D. <i class="networking-code">0x2142</i>
48.

You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

A. You didn't boot the router with the correct command.
B. NVRAM is corrupted.
C. The configuration register setting is incorrect.
D. The newly upgraded IOS is not compatible with the hardware of the router.
Answer» D. The newly upgraded IOS is not compatible with the hardware of the router.
49.

You are unsuccessful in telnetting into a remote device. What could the problem be?

  1. IP addresses are incorrect.
  2. Access control list is filtering Telnet.
  3. There is a defective serial cable.
  4. The VTY password is missing.

A. 1 only
B. 3 only
C. 2 and 4 only
D. All of the above
Answer» D. All of the above
50.

Which three commands can be used to check LAN connectivity problems on a router?

  1. show interfaces
  2. show ip route
  3. tracert
  4. ping
  5. dns lookups

A. 1 ,2 and 4
B. 2 and 5
C. 3 and 5
D. None of the above
Answer» B. 2 and 5