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Networking Basics Online Exam Quiz

Important questions about Networking Basics. Networking Basics MCQ questions with answers. Networking Basics exam questions and answers for students and interviews.

1. How many collision domains are created when you segment a network with a 12-port switch?

Options

A : 1

B : 2

C : 5

D : 12

2. What is the main reason the OSI model was created?

Options

A : To create a layered model larger than the DoD model.

B : So application developers can change only one layer's protocols at a time.

C : So different networks could communicate.

D : So Cisco could use the model.

3. What command is used to create a backup configuration?

Options

A : copy running backup

B : copy running-config startup-config

C : config mem

D : wr mem

4. If your router is facilitating a CSU/DSU, which of the following commands do you need to use to provide the router with a 64000bps serial link?

Options

A : RouterA(config)#bandwidth 64

B : RouterA(config-if)#bandwidth 64000

C : RouterA(config-if)#clock rate 64

D : RouterA(config-if)#clock rate 64000

5. In a network with dozens of switches, how many root bridges would you have?

Options

A : 1

B : 2

C : 5

D : 12

6. What command will display the line, protocol, DLCI, and LMI information of an interface?

Options

A : sh pvc

B : show interface

C : show frame-relay pvc

D : show run

7. What is a stub network?

Options

A : A network with more than one exit point.

B : A network with more than one exit and entry point.

C : A network with only one entry and no exit point.

D : A network that has only one entry and exit point.

8. You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?

Options

A : 100 kbps

B : 1 Mbps

C : 2 Mbps

D : 10 Mbps

9. What does a VLAN do?

Options

A : Acts as the fastest port to all servers.

B : Provides multiple collision domains on one switch port.

C : Breaks up broadcast domains in a layer 2 switch internetwork.

D : Provides multiple broadcast domains within a single collision domain.

1. Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?

Options

A : 192.168.168.129-190

B : 192.168.168.129-191

C : 192.168.168.128-190

D : 192.168.168.128-192

2. Which protocol is used to send a destination network unknown message back to originating hosts?

Options

A : TCP

B : ARP

C : ICMP

D : BootP

3. What does the passive command provide to dynamic routing protocols?

Options

A : Stops an interface from sending or receiving periodic dynamic updates.

B : Stops an interface from sending periodic dynamic updates but not from receiving updates.

C : Stops the router from receiving any dynamic updates.

D : Stops the router from sending any dynamic updates.

4. Which protocol does DHCP use at the Transport layer?

Options

A : IP

B : TCP

C : UDP

D : ARP

5. Which router command allows you to view the entire contents of all access lists?

Options

A : show all access-lists

B : show access-lists

C : show ip interface

D : show interface

6. Which command is used to determine if an IP access list is enabled on a particular interface?

Options

A : show access-lists

B : show interface

C : show ip interface

D : show interface access-lists

7. How many broadcast domains are created when you segment a network with a 12-port switch?

Options

A : 1

B : 2

C : 5

D : 12

8. Which command is used to upgrade an IOS on a Cisco router?

Options

A : copy tftp run

B : copy tftp start

C : config net

D : copy tftp flash

9. If you wanted to delete the configuration stored in NVRAM, what would you type?

Options

A : erase startup

B : erase nvram

C : delete nvram

D : erase running

10. What does the command routerA(config)#line cons 0 allow you to perform next?

Options

A : Set the Telnet password.

B : Shut down the router.

C : Set your console password.

D : Disable console connections.

1. To back up an IOS, what command will you use?

Options

A : backup IOS disk

B : copy ios tftp

C : copy tftp flash

D : copy flash tftp

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