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Important questions about Cisco Certification. Cisco Certification MCQ questions with answers. Cisco Certification exam questions and answers for students and interviews.

1. When making a HyperTerminal connection, what must the bit rate be set to?

Options

A : 2400bps

B : 1200bps

C : 9600bps

D : 6400bps

2. What is the specific term for the unwanted signal interference from adjacent pairs in the cable?

Options

A : EMI

B : RFI

C : Crosstalk

D : Attenuation

3. In the operation of CSMA/CD, which host(s) have priority after the expiration of the backoff algorithm?

Options

A : All hosts have equal priority

B : The two hosts that caused the collision will have equal priority

C : The host that sent the jam signal after the collision

D : The host with the highest MAC address

7. How does DHCP client ensure that no other computer has its assigned IP address?

Options

A : Acknowledge receipt of a TCP segment

B : Ping to its own address to see if a response is detected

C : Broadcast a Proxy ARP

D : Broadcast a gratuitous ARP

8. What is the address range of a Class B network address in binary?

Options

A : 01xxxxxx

B : 0xxxxxxx

C : 10xxxxxx

D : 110xxxxx

9. Which of the following allows a router to respond to an ARP request that is intended for a remote host?

Options

A : Gateway DP

B : Reverse ARP (RARP)

C : Proxy ARP

D : Inverse ARP (IARP)

5. Which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?

Options

A : /28

B : /29

C : /30

D : /31

6. What is the subnetwork address for a host with the IP address 200.10.5.68/28?

Options

A : 200.10.5.56

B : 200.10.5.32

C : 200.10.5.64

D : 200.10.5.0

7. What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?

Options

A : 15

B : 16

C : 30

D : 31

8. Which configuration command must be in effect to allow the use of 8 subnets if the Class C subnet mask is 255.255.25.224?

Options

A : Router(config)#ip classless

B : Router(config)#ip version 6

C : Router(config)#ip unnumbered

D : Router(config)#ip subnet-zero

9. To test the IP stack on your local host, which IP address would you ping?

Options

A : 127.0.0.0

B : 1.0.0.127

C : 127.0.0.1

D : 127.0.0.255

10. The network address used to advertise a summary address is always which of the following?

Options

A : The last network address in the block

B : The next to last network in the block

C : The second network in the block

D : The first network in the block

1. To use VLSM, what capability must the routing protocols in use possess?

Options

A : Support for multicast

B : Multi-protocol support

C : Transmission of subnet mask information

D : Support for unequal load balancing

2. What network service is the most likely problem if you can ping a computer by IP address but not by name?

Options

A : DNS

B : DHCP

C : ARP

D : ICMP

3. What switch must be added to the ipconfig command on a PC to verify DNS configuration?

Options

A : /dns

B : -dns

C : /all

D : -all

4. Which of the following is a result of route aggregation?

Options

A : Smaller routing tables

B : More complete routing tables

C : Increased memory usage

D : Increased CPU usage

5. What command is the Windows version of the Cisco command that displays the networks traversed on a path to a network destination?

Options

A : ping

B : traceroute

C : arp

D : tracert

6. Which command displays IP-to-MAC- address mappings on a Windows PC?

Options

A : ping

B : traceroute

C : arp -a

D : tracert

7. What command displays the ARP table on a Cisco router?

Options

A : show ip arp

B : traceroute

C : arp -a

D : tracert

8. When a ping to the loopback address fails , what can you assume?

Options

A : The IP address of the local host is incorrect

B : The IP address of the remote host is incorrect

C : The NIC is not functional

D : The IP stack has failed to initialize

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