BLOCK 1 Revised Fatt Off

Question 1

What is the least significant digit in a numbering system?

Answer 1

Forest to the left

Question 2

What represents the numbering system being used?

Answer 2

Radix

Question 3

What is the method for converting from a decimal number?

Answer 3

Divide and subtract

Question 4

What is the method for converting into a decimal number?

Answer 4

Multiply and add

Question 5

What method is used when converting binary or hex?

Answer 5

Inspection method

Question 6

What format is used for IPv4?

Answer 6

Dotted decimal notation

Question 7

What is used to separate IPv6 addresses?

Answer 7

Colon

Question 8

What range of IP addresses is used for the loopback address?

Answer 8

127.000.000.000

Question 9

What class of network allows for the most amount of hosts and networks?

Answer 9

Class A

Question 10

Which octet identifies the network ID in a Class A network?

Answer 10

First octet

Question 11

What class is responsible for medium-sized networks?

Answer 11

Class B

Question 12

What class is used for the smallest amount of networks?

Answer 12

Class C

Question 13

What are the three ways to write an IPv6 address?

Answer 13

• Preferred
• Compressed
• Mixed

Question 14

In a compressed address, how is a long string of 0’s represented?

Answer 14

By 2 colons next to each other

Question 15

What standard is most modern WLANs?

Answer 15

802.11

Question 16

What does 802.11 represent?

Answer 16

Wi-Fi

Question 17

What does 802.15.1 represent?

Answer 17

Bluetooth

Question 18

What does 802.15.4 represent?

Answer 18

Zigbee

Question 19

What does 802.15.7 represent?

Answer 19

Li-Fi

Question 20

What does 802.16 represent?

Answer 20

WiMax

Question 21

What is the most important element in a wireless network?

Answer 21

Access point

Question 22

What kind of access point does not make any forwarding decisions?

Answer 22

Lightweight

Question 23

What kind of access point requires no additional interaction?

Answer 23

Autonomous

Question 24

What is a set of rules that allow a device to interact over the network?

Answer 24

Protocol

A protocol defines the methods for communication between devices.

Question 25

What is a connection-oriented protocol guaranteeing information?

Answer 25

TCP ## Footnote TCP (Transmission Control Protocol) ensures reliable data transmission.

Question 26

What are 3 examples that utilize TCP?

Answer 26

* HTTPS * SMTP * TELNET ## Footnote These protocols require reliable connections for data transfer.

Question 27

What is a connectionless protocol used when speed is of importance?

Answer 27

UDP ## Footnote UDP (User Datagram Protocol) offers faster data transmission with less overhead.

Question 28

What is the connectionless best-effort protocol for logical addressing for all internet devices?

Answer 28

IP ## Footnote IP (Internet Protocol) handles addressing and routing of packets.

Question 29

What organization is responsible for maintaining all official port assignments?

Answer 29

IANA ## Footnote IANA (Internet Assigned Numbers Authority) oversees global IP address allocation and other internet protocol resources.

Question 30

What are the ranges of the port ranges?

Answer 30

* Well-known * Registered * Dynamic ## Footnote These categories help organize port assignments for different uses.

Question 31

What is the range of well-known ports?

Answer 31

0-1023 ## Footnote Well-known ports are used by system or well-known services.

Question 32

What is the range of registered ports?

Answer 32

1024-49151 ## Footnote Registered ports are assigned by IANA for specific services.

Question 33

What is the range of dynamic ports?

Answer 33

49152 to 65535 ## Footnote Dynamic ports are used for temporary connections and are not assigned to specific services.

Question 34

What is a conductive path?

Answer 34

Grounding ## Footnote Grounding provides a safe path for electricity to flow into the ground.

Question 35

What are the 3 facility types of subsystems?

Answer 35

* Earth electrode * Facility protection * Signal reference

Question 36

What uses rods and other conductive paths?

Answer 36

Earth electrode ## Footnote Earth electrodes are essential for grounding systems.

Question 37

What bonds utilize EMUs?

Answer 37

Signal reference ## Footnote EMUs (Electromagnetic Units) help in maintaining signal integrity.

Question 38

What is a low impedance path between 2 metal paths?

Answer 38

Bonding ## Footnote Bonding ensures a reliable electrical connection between metal components.

Question 39

What is the sudden flow of electricity?

Answer 39

Electric static discharge ## Footnote ESD can damage electronic components.

Question 40

What are the 3 types of ESD failures?

Answer 40

* Catastrophic * Intermittent * Latent

Question 41

What are control measures for ESD?

Answer 41

* Bracket * Mat * Grounded desk * Everything the item can touch

Question 42

When should you open ESD packages?

Answer 42

At an ESD free workstation ## Footnote This minimizes the risk of ESD damage.

Question 43

What are the 2 types of physical security?

Answer 43

* Active * Passive

Question 44

What characteristics do active measures include?

Answer 44

They have intent to deter, detect, or report a reaction ## Footnote Active measures are designed to respond to threats.

Question 45

What are passive measures?

Answer 45

Nature is a big passive measure ## Footnote Passive measures help deter threats but are not designed to actively stop them.

Question 46

What are requirements when establishing physical security?

Answer 46

* Duty hours * Mission of unit * Type of equipment * Type of level of the information

Question 47

What type of cable is made with copper and is the most common used for networks?

Answer 47

Twisted pair cable

Question 48

What type of pin layout is used to connect two unlike devices?

Answer 48

Straight through

Question 49

What kind of pin layout is used to connect like devices?

Answer 49

Cross over

Question 50

What pin layout is used for console cables?

Answer 50

Rollover

Question 51

What type of twisted pair cable adds extra insulation to prevent electronics?

Answer 51

Shielded

Question 52

The copper wires are by which standards?

Answer 52

ANSI standards

Question 53

What type of cabling is immune to all types of EMI?

Answer 53

Fiber optic cable

Question 54

Single mode supports the longest transmissions because it utilizes what for transmission?

Answer 54

Lasers

Question 55

Multi mode cables use what for transmission?

Answer 55

LEDs

Question 56

Single mode and multi mode fibers have cores that allow what?

Answer 56

Single or multiple light propagation

Question 57

With wireless connectivity, what kind of condition interferes with it?

Answer 57

Atmospheric

Question 58

Laser transmissions require straight line of sight and improve what?

Answer 58

Security

Question 59

Which type of signal is more prone to monitoring because they don't vary?

Answer 59

Fixed frequency signals

Question 60

What is the first step in troubleshooting?

Answer 60

Identify the problem

Question 61

What is the final step in troubleshooting?

Answer 61

Document your findings and solutions

Question 62

When troubleshooting a problem, what is one thing to be aware of?

Answer 62

You are getting a symptom, not the problem

Question 63

When troubleshooting, your focus should be on what?

Answer 63

Root cause analysis

Question 64

What tool is used to check for breaks in the fiber optic cable?

Answer 64

Optical time domain reflectometer

Question 65

Which tool is used on copper to secure copper wire through mechanical pressure?

Answer 65

Crimper

Question 66

What kind of adaptor is used to test send and receive?

Answer 66

Loopback adaptor

Question 67

What software tool shows information on packets within your network?

Answer 67

Protocol analyzer

Question 68

Connectivity tests perform tests by sending off what?

Answer 68

Queries