CCNA EXAM PREP - This Exam contains: -Guarantee passing score -1...

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CCNA EXAM PREP

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -100 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Which layer of the OSI model interacts with software applications on a computer?

Answer:

Layer 7 - Application

Question 2: How many pairs of wires are used in a 10GBASE-T cable?

Answer:

• (=8 wires)

Question 3: Which layer of the OSI model defines physical characteristics of the medium used to transfer data between devices?

Answer:

Layer 1 - Physical Question 4: A [...] is a device that accesses a service made available by a server.

Answer:

client

Question 5: A [...] has many network interfaces for end hosts to connect to.

Answer:

switch

Question 6: How many bits are in 1 byte?

Answer:

8

Question 7: Routers operate at Layer [...] of the OSI model.

Answer:

3

Question 8: Which is cheaper, single-mode or multimode fiber?

Answer:

multimode

Question 9: How many pairs of wires are used in a 1000BASE-T cable?

Answer:

• (=8 wires)

Question 10: What is the name of the Layer 4 PDU?

Answer:

Segment

Question 11: How many bits are in 1 megabit?

Answer:

1,000,000 (1 million)

Question 12: Routers have [...] network interfaces than switches.

Answer:

fewer

Question 13: 10GBASE-SR, 10GBASE-LR, and 10GBASE-ER were defined in the IEEE [...] standard.

Answer:

802.3ae

Question 14: IEEE standard [...] = 1 Gbps Ethernet (1000BASE-T)

Answer:

802.3ab Question 15: 10GBASE-SR maximum cable length:

Answer:

400 meters Question 16: What is the name of the feature that allows a device to automatically adjust which RJ45 pin pairs it uses to transmit and receive data?

Answer:

Auto MDI-X

Question 17: 1000BASE-LX was defined in the IEEE [...] standard.

Answer:

802.3z

Question 18: What is the speed of a 'FastEthernet' connection?

Answer:

100 Mbps Question 19: 1000BASE-ER maximum cable length:

Answer:

30 kilometers Question 20: What kind of cable connects a pin pair on one end of a UTP cable to the opposite pair on the other end?

Answer:

crossover cable

Question 21: In a FastEthernet connection, a switch receives data on which pins [...]

Answer:

• and 2

Question 22: Which layer of the OSI model translates between data formats?

Answer:

Layer 6 - Presentation

Question 23: How many bits are in 1 kilobit?

Answer:

1,000 (one thousand)

Question 24: IEEE standard [...] = 10 Gbps Ethernet (10GBASE-T)

Answer:

802.3an Question 25: If Auto MDI-X is disabled, what kind of UTP cable should be used to connect two switches together?

Answer:

crossover cable

Question 26: How many pairs of wires are used in a 10BASE-T cable?

Answer:

• (=4 wires)

Question 27: What is the name of the Layer 3 PDU?

Answer:

Packet Question 28: A [...] is a device that provides functions or services for clients.

Answer:

server