CCNA examination

Mock Test CCNA examination

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Which of the following commands will return your router to a previously saved configuration?

Router1#copy startup-config running-config

Router1#copy running-config startup-config

Router1#setup

Router1#reload

What is the purpose of flow control?

To reassemble segments in the correct order at the destination device

To regulate the size of each segment

To provide a means for the receiver to govern the amount of data sent by the sender

To ensure that data is retransmitted if an acknowledgment is not received

FDDI is an example of which topology ?

Bus Topology

Star Topology

Ring Topology

None of these

What command will permit SMTP mail to only host 1.1.1.1?

access-list 10 permit tcp any host 1.1.1.1 eq smtp

access-list 110 permit tcp any host 1.1.1.1 eq smtp

access-list 110 permit ip smtp host 1.1.1.1

access-list 10 permit smtp host 1.1.1.1

Which protocol working at the transport layer provide connection oriented communication between host

DHCP

Frame Relay

TCP

You need to set up passwords on all your default Telnet lines. What command would you start with?

Router1(config)# telnet configuration

Router1(config)# enable password ABC

Router1(config)# line telnet 0 4

Router1(config)# line vty 0 4

Your company wants to reconfigure a Catalyst 2950. Which actions must be taken to erase the old configuration? (Choose all that applicable)

Erase the startup configuration

Erase the running configuration

Restart the switch

Erase flash

If a switch has three computers connected to it, with no VLANs present, how many broadcast and collision domains is the switch creating?

Three broadcast and one collision

Three broadcast and three collision

One broadcast and one collision

one broadcast and three collision

What is the default interval for sending route update message in RIP?

30 Sec

180 Sec

20 Sec

120 Sec

10.

What is the full form of OSPF ?

Open Sortest Path First

Open Shortest path Fast

Open Shortest Path First

Open Sortest Path Fast

11.

Which of the following are ways to provide login access to a router ?

TELNET

Serial Port 1/0

Fast Ethetnet Port

TCP

12.

What is the name of this mode " Router(config-line) #

Global Configuration mode

Line mode

Line Configuration Mode

Line Command mode

13.

You are designing a network which needs to support 200 Computer. You don't plan to extend the segment beyond the current number of Computer. Which subnet mask would best meet your needs? Select the best answer.

255.255.0.0

255.255.192.0

255.255.255.0

255.255.255.128

14.

Which device can stop Broadcast Message ?

BRIDGE

Router

NIC Card

HUB

15.

If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.8

172.16.45.12

172.16.45.0

172.16.45.4

16.

What is the full form of VTP ?

vlan trunk protocol

virtual telnet protocol

vlan trunk port

vtp trunkong protocol

17.

What is the rang of standard ACL

1-100

0-99

1-99

0-100

18.

What is the maximum Hop count of EIGRP ?

not more than 16

224

unlimited

100

19.

Which class of IP address provides a maximum of only 254 host addresses per network ID?

class C

class E

class A

class B

20.

Which of the following protocols is an example of an exterior gateway protocol?

EIGRP

BGP

OSPF

IGRP

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