Mod 5

Question 1

A college that has several campuses located in different parts of the city has hired a network technician. What type of network will the technician most likely be working on?

Answer 1

MAN

Question 2

What is the purpose of uplink ports on a managed switch?

Answer 2

To connect to other switches, expanding the network

Question 3

What is one of the main advantages of Wi-Fi 7’s Multi-Link Operation (MLO)?

Answer 3

It allows devices to send data over multiple bands or channels.

Question 4

One of your customers has a long-range wireless network that connects two company office buildings together. The buildings are several hundred yards apart. You have licensed a frequency range of 3.65 GHz to transmit signals between the buildings. However, the wireless connection is not performing ideally and it sometimes drops connections.

Which of the following is the BEST immediate solution to try to resolve this issue?

Answer 4

Increase the power to the access points.

Question 5

A technician is assisting the CISO in wirelessly transferring data between their smartwatch and their corporate PC. As the CISO’s request uses two devices in close proximity, what network method has a limited range?

Answer 5

PAN

Question 6

You have been contacted by OsCorp to recommend a wireless internet solution. The wireless strategy must support a transmission range of 150 feet, use a frequency range of 2.4 GHz, and provide the highest possible transmission speeds. Which of the following wireless solutions should you recommend?

Answer 6

802.11g

Question 7

What is a datacenter?

Answer 7

A facility dedicated to provisioning server resources

Question 8

What kind of connector do you use to connect a modem to a standard telephone line?

Answer 8

RJ-11

Question 9

Which IEEE standard defines PoE as providing up to 13 W of usable power for devices like basic VoIP phones and wireless access points?

Answer 9

802.3af

Question 10

Which of the following best describes the primary purpose of Bluetooth?

Answer 10

To connect peripheral devices and share data over short distances

Question 11

All the employees in a lawyer’s office communicate with the internet and each other through the same appliance. What kind of network is the office using?

Answer 11

SOHO

Question 12

What is the purpose of a screened subnet in a network?

Answer 12

To strictly filter and monitor traffic between the private LAN and the public Internet

Question 13

A network technician is installing a device with an inductor that will copy all the traffic coming through the cable to a monitor port. What type of device is the technician installing?

Answer 13

Passive TAP

Question 14

What is the primary purpose of a rack-mounted patch panel?

Answer 14

To manage and organize Ethernet cables

Question 15

You are designing a wireless network for a client. Your client needs the network to support a data rate of at least 150 Mbps. In addition, the client already has a wireless telephone system installed that operates at 2.4 GHz.

Which 802.11 standard works BEST in this situation?

Answer 15

802.11n

Question 16

Which wireless standard can stream data at a rate of up to 54 Mbps using a frequency of 5 GHz?

Answer 16

802.11a

Question 17

What does an Ethernet switch use to forward frames to the correct destination?

Answer 17

MAC address

Question 18

What is a mirror port on a network switch used for?

Answer 18

To copy frames from specific ports to a designated port for monitoring

Question 19

You recently purchased a digital HD antenna to connect to your television.

Which of the following is the type of coaxial cable connector you need to make the connection?

Answer 19

F-type

Question 20

Which of these technologies is typically used to achieve block-level access in a SAN?

Answer 20

iSCSI

Question 21

How does Wi-Fi 7 utilize Multi-Resource Units (MRUs) to improve network performance?

Answer 21

It allows devices to send data over multiple bands or channels.

Question 22

Which of the following network components is responsible for converting digital data into a signal that can be transmitted?

Answer 22

Network interface

Question 23

Which of the following BEST describes how a switch functions?

Answer 23

It connects multiple cable segments or hosts and forwards data packets to the appropriate host.

Question 24

Why is maintaining documentation of switch port connections important?

Answer 24

It helps quickly identify device connections during troubleshooting.

Question 25

What is a distinguishing feature of the Lucent-connector (LC) in fiber optic networks?

Answer 25

It is a small form factor connector with a tabbed push/pull design.

Question 26

Your workstation is unable to communicate with any other computer on the network. Which of the following tools should you use to test the network card's abilities to send and receive signals?

Answer 26

Loopback plug

Question 27

What is the main characteristic of an unmanaged switch?

Answer 27

What is the main characteristic of an unmanaged switch?

Question 28

Which of the following terms refers to a network resource-sharing model that uses access control lists saved on each computer?

Answer 28

Peer-to-peer

Question 29

What is the function of a MAC address in Ethernet networking?

Answer 29

To specify the manufacturer and unique identifier for each network interface

Question 30

What improvements does Bluetooth 5 offer compared to previous versions?

Answer 30

Increased range, speed, and messaging capacity with improved power efficiency

Question 31

What best describes a Local Area Network (LAN)?

Answer 31

A group of computers connected within a close geographic location

Question 32

Which data transmission rate is defined by the IEEE 802.11b wireless standard?

Answer 32

11 Mbps

Question 33

You are in the process of setting up an Ethernet network for a new building at your company's headquarters. You need to connect the wires from the different Ethernet office wall plates to your network rack. Which of the following components on the network rack should you use to connect the wires from the office wall plates?

Answer 33

Ethernet patch panel

Question 34

Why should unused fiber optic ports and connectors be covered with a dust cap?

Answer 34

To minimize the risk of contamination, which could interfere with light transmission

Question 35

A wireless network technician is upgrading the access points in a conference center to provide better Wi-Fi connectivity during conferences. What standard will provide connectivity to the most clients?

Answer 35

Wi-Fi 6

Question 36

Which of the following network types uses special hardware to provide high-speed access to storage across the network?

Answer 36

Storage area network

Question 37

A network technician sets up the wireless network in such a way that each client device connects to the network via an access point (AP). What type of configuration is this?

Answer 37

Infrastructure mode

Question 38

Which type of cabling is primarily used in LANs?

Answer 38

Copper twisted pair

Question 39

What is the primary purpose of configuring non-overlapping channels on multiple access points within the same area?

Answer 39

To prevent interference between access points

Question 40

A technician connects two network switches using a twisted-pair crossover cable. Which of the following identifies the wiring standard required on each end of the crossover cable?

Answer 40

A technician connects two network switches using a twisted-pair crossover cable. Which of the following identifies the wiring standard required on each end of the crossover cable?

Question 41

A technician is able to use the standard adapter built into a computer's motherboard to connect to the company's network using a patch cable. What kind of network is the company using?

Answer 41

Gigabit Ethernet

Question 42

What is the main role of a rack-mounted switch?

Answer 42

To provide active data connections between devices

Question 43

A customer is experiencing a sporadic interruption of their Wi-Fi network in one area of their building. A technician investigates and discovers signal interference caused by a microwave oven. The customer approves replacing the wireless access point that covers the area but asks that the wireless speed also be increased. Which of the following Wi-Fi standards should the replacement device support to BEST fulfill the customer's needs?

Answer 43

802.11ac

Question 44

How is a MAC address typically represented?

Answer 44

As 12 hexadecimal digits, each representing half a byte

Question 45

A technician is replacing a cable modem. The cabling from the cable company has an inner solid wire conductor and an outer mesh conductor separated by PVC plastic insulation. Which of the following network cable types is being used?

Answer 45

Coaxial cable

Question 46

Why might an active network tap be used instead of a passive tap?

Answer 46

Because active taps regenerate signals, which is necessary for complex or high-speed links

Question 47

You have recently been called to troubleshoot network connectivity problems at a user's workstation. You found that the network cable runs across high-traffic areas on the floor, causing the cable to wear through and break. You have replaced the cable with a plenum-rated and shielded twisted-pair cable. You would like to minimize the problem and prevent it from happening again. Which of the following will BEST protect the cable from further damage?

Answer 47

Run the cable through the ceiling area instead of across the floor.

Question 48

Which of the following LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected?

Answer 48

Switch

Question 49

What is the main purpose of the detection phase when a PoE-enabled switch connects to a device?

Answer 49

To determine whether the device is PoE-capable and set an appropriate power supply level

Question 50

Which standard is most commonly used for cabled LANs?

Answer 50

IEEE 802.3

Question 51

Which type of wireless technology increases bandwidth for a home wireless network by using multiple antennae for both the transmitter and receiver?

Answer 51

MIMO

Question 52

What is the primary function of a Wireless LAN (WLAN)?

Answer 52

To connect devices via radios and antennas

Question 53

You need to trace the route that a Cat 6 UTP cable takes through the ceiling and walls of your building. Which tool should you use?

Answer 53

Tone generator

Question 54

You are installing network cabling in the air space between the ceiling and the roof of a building. The cabling needs to be fire-resistant. Which type of cabling should you use?

Answer 54

Plenum

Question 55

What is the purpose of a Storage Area Network (SAN)?

Answer 55

To connect storage devices in a dedicated, high-speed network

Question 56

What is a primary reason for using a patch panel in conjunction with a switch?

Answer 56

To simplify cable organization and facilitate network management

Question 57

What does a dBm measurement represent?

Answer 57

A signal strength ratio compared to 1 milliwatt (mW)

Question 58

Why are datacenters located in purpose-built facilities?

Answer 58

To offer highly available environments for critical applications

Question 59

What does full-duplex communication on a switch allow devices to do?

Answer 59

Transmit and receive data simultaneously.

Question 60

Which connector is used with unshielded twisted-pair (UTP) cabling?

Answer 60

RJ-45