Computer Networks (GATE Computer Science): Questions 35 - 39 of 169

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Question number: 35

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

we 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?

Choices

Choice (4) Response

a.

show ip interface Ethernet 0

b.

show interface Ethernet 0

c.

show access-lists

d.

show ip access-lists

Question number: 36

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Which of the following is considered a broad band communication channel?

Choices

Choice (4) Response

a.

fiber optics cable

b.

microwave circuits

c.

coaxial cable

d.

All a. , b. and c. are correct

Question number: 37

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to

Choices

Choice (4) Response

a.

0.999

b.

0.333

c.

0.009

d.

None of the above

Question number: 38

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Which layer functions as liaison between user support layers and network support layers?

Choices

Choice (4) Response

a.

data link layer

b.

physical layer

c.

transport layer

d.

network layer

Question number: 39

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Which command will configure a switch port to use the IEEE standard method of inserting VLAN membership information into Ethernet frames?

Choices

Choice (4) Response

a.

Switch (config) # switchport trunk encapsulation ietf

b.

Switch (config) # switchport trunk encapsulation dot1q

c.

Switch (config-if) # switchport trunk encapsulation dot1q

d.

Switch (config) # switchport trunk encapsulation isl

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