FREE COMPUTERS AND STUDY GAMES ABOUT CHAP 5

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FREE COMPUTERS AND STUDY GAMES ABOUT CHAP 5

AND 6 QUIZ EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -80 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: A junior administrator is having issues connecting to a router's console port using a TIA/EIA 568B standard cable and a USB serial to RJ-45 adapter, despite verifying terminal settings. What is the issue?

Answer:

The cable must be a rollover cable.Question 2: How does refraction affect the propagation of a wireless transmission?

Answer:

It distorts the signal as it travels into and through a different transmission medium.

Question 3: Telephone connections follow what registered jack standard?

Answer:

registered jack 11 (RJ-11) Question 4: T/F: Latency on data networks is based on a calculation of a packet's round trip time (RTT).

Answer:

True

Question 5: What statement describes a transmission flaw that is occurring due to attenuation?

Answer:

A customer modem is continuously losing signal due to large distance from the transmitting device.

Question 6: 802.11ac Wave 2 devices can theoretically support how much maximum

throughput?

Answer:

3.47 Gbps

Question 7: What statement correctly describes "jitter"?

Answer:

Jitter is what happens when packets experience varying amounts of delay and arrive out of order.Question 8: In an 802.11 data frame, what is the size of the frame check sequence field?

Answer:

• bytes

Question 9: T/F: In order to achieve 1000Base-T over CAT5e cable, 2 pairs of copper are needed.

Answer:

False Question 10: T/F: A short circuit is one where needed connections are missing, such as when a wire breaks.

Answer:

False Question 11: T/F: A wavelength mismatch occurs when transmissions are optimized for one type of cable but sent over a different type of cable.

Answer:

True Question 12: When terminating an Ethernet cable, about how far should the cable sheath extend into the plug?

Answer:

3/8 inch

Question 13: Which 802.11 frame type is related to medium access and data delivery, and includes ACK and RTS/CTS frames?

Answer:

control frames Question 14: Noise that can degrade or distort a signal on a network is measured with what unit?

Answer:

decibels Question 15: Which Bluetooth power class allows for a maximum power output of 100 mW and a range of up to 100 m?

Answer:

Class 1 Question 16: Near-field communication devices send data at what fixed frequency?

Answer:

13.56 MHz Question 17: Signals that can travel in only one direction on a medium are referred to as what type of signal?

Answer:

simplex

Question 18: In a coaxial cabling, what does the RG rating measure?

Answer:

The materials used for shielding and conducting cores.

Question 19: What scenario describes an evil twin attack?

Answer:

A malicious access point is configured with the SSID of a non-malicious public access point.Question 20: What statement regarding the Power Over Ethernet standards is inaccurate?

Answer:

Power over Ethernet requires CAT6 or better copper cable.

Question 21: T/F: All wireless signals are carried through the air by electromagnetic waves.

Answer:

True Question 22: T/F: Multimode fiber contains a core that is larger than a single mode fiber core.

Answer:

True

Question 23: When troubleshooting wireless issues, what statement is accurate?

Answer:

Access points that use overlapping channels can cause interference with each other if they are too close.Question 24: T/F: The most secure Wi-Fi communication is made possible by combining a RADIUS server with WPA or WPA2, known as WPA-Enterprise or WPA2-Enterprise, respectively.

Answer:

True Question 25: In IEEE terminology, a group of stations that share an access point are said to be part of which of the following?

Answer:

basic service set Question 26: What special signal is issued periodically from an AP and contains the network transmission rate and service set identifier (SSID), as well as other information needed for a computer to associate with the AP?

Answer:

beacon frame Question 27: T/F: A time domain reflectometer sends a signal and analyzes the return signal's change in amplitude to determine where cable imperfections may exist.

Answer:

True