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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
