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CCNA QUESTIONS : PART 24

When data is encapsulated, which is the correct order?

Data, frame, packet, segment, bit

Segment, data, packet, frame, bit

Data, segment, packet, frame, bit

Data, segment, frame, packet, bit

SHOW ANSWER

Which protocol does DHCP use at the Transport layer?

IP

 TCP

UDP

ARP

SHOW ANSWER

Where is a hub specified in the OSI model?

Session layer

Physical layer

Data Link layer

Application layer

SHOW ANSWER

In OSI model dialogue control and token management are responsibilities of ?

Session Layer  

Network layer

Transport layer

Data link layer

SHOW ANSWER

How many layers does OSI Reference Model has?

4

 

5

 

6

7

 

SHOW ANSWER

Router operates in which layer of OSI Reference Model?

Layer 1 (Physical Layer)

Layer 3 (Network Layer)

Layer 4 (Transport Layer)

Layer 7 (Application Layer)

SHOW ANSWER

Which of the following is true regarding access lists applied to an interface?

You can place as many access lists as you want on any interface until you run out of memory.

You can apply only one access list on any interface.

One access list may be configured, per direction, for each layer 3 protocol configured on an interface.

You can apply two access lists to any interface.

SHOW ANSWER

Which command would you use to apply an access list to a router interface?

ip access-list 101 out

access-list ip 101 in

ip access-group 101 in

access-group ip 101 in

SHOW ANSWER

Which of the following is an example of a standard IP access list?

access-list 110 permit host 1.1.1.1

access-list 1 deny 172.16.10.1 0.0.0.0

access-list 1 permit 172.16.10.1 255.255.0.0

access-list standard 1.1.1.1

SHOW ANSWER

You need to create an access list that will prevent hosts in the network range of 192.168.160.0 to 192.168.191.0. Which of the following lists will you use?

access-list 10 deny 192.168.160.0 255.255.224.0

access-list 10 deny 192.168.160.0 0.0.191.255

access-list 10 deny 192.168.160.0 0.0.31.255

access-list 10 deny 192.168.0.0 0.0.31.255

SHOW ANSWER

You are working on a router that has established privilege levels that restrict access to certain functions. You discover that you are not able to execute the command show running-configuration. How can you view and confirm the access lists that have been applied to the Ethernet 0 interface on your router?

show access-lists

show interface Ethernet 0

show ip access-lists

show ip interface Ethernet 0

SHOW ANSWER

What command will permit SMTP mail to only host 1.1.1.1?

access-list 10 permit smtp host 1.1.1.1

access-list 110 permit ip smtp 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

SHOW ANSWER

You want to create a standard access list that denies the subnet of the following host:     172.16.50.172/20. Which of the following would you start your list with?

access-list 10 deny 172.16.48.0 255.255.240.0

access-list 10 deny 172.16.0.0 0.0.255.255

access-list 10 deny 172.16.64.0 0.0.31.255

access-list 10 deny 172.16.48.0 0.0.15.255

SHOW ANSWER
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