C8

XYZ Company is installing new cable runs on their data network. What two types of cable would most commonly be used for new runs? (Choose two.) coax Cat4 UTP Cat5 UTP Cat6 UTP STP

Cat5 UTP Cat6 UTP

What is a possible effect of improperly applying a connector to a network cable? Data will be forwarded to the wrong node. Data transmitted through that cable may experience signal loss. An improper signaling method will be implemented for data transmitted on that cable. The encoding method for data sent on that cable will change to compensate for the improper connection.

Data transmitted through that cable may experience signal loss.

Which characteristics describe fiber optic cable? (Choose two.) It is not affected by EMI or RFI. Each pair of cables is wrapped in metallic foil. It combines the technique of cancellation, shielding and twisting to protect data. It has a maximum speed of 100 Mbps. It is the most expensive type of LAN cabling.

It is not affected by EMI or RFI. It is the most expensive type of LAN cabling.

An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device? light injector OTDR TDR multimeter

OTDR

Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication? Presentation Transport Data Link Physical

Physical

In most business LANs, which connector is used with twisted-pair networking cable? BNC RJ-11 RJ-45 Type F

RJ-45

Which connector is used with twisted-pair cabling in an Ethernet LAN? (5 pictures of connector are shown) - Duplex Single-Mode Lucent Connector - RJ-11 Connector - BNC Coaxial Connector - RJ-45 Connector - Duplex Multimode Lucent Connector

RJ-45 Connector

Which type of cable run is most often associated with fiber-optic cable? backbone cable horizontal cable patch cable work area cable

backbone cable

What is a primary role of the Physical layer in transmitting data on the network? create the signals that represent the bits in each frame on to the media provide physical addressing to the devices determine the path packets take through the network control data access to the media

create the signals that represent the bits in each frame on to the media

Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B? coax cable rollover cable crossover cable straight-through cable

crossover cable

In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling? coax fiber Cat5e UTP Cat6 UTP STP

fiber

When is a rollover cable used in a network? - for connecting a host to a Fast Ethernet port on a switch - for connecting a router to another router - for connecting two routers through their AUX ports - for connecting to a switch through its console port

for connecting to a switch through its console port

Which of the following is a characteristic of single-mode fiber-optic cable? generally uses LEDs as the light source relatively larger core with multiple light paths less expensive than multimode generally uses lasers as the light source

generally uses lasers as the light source

What are three measures of data transfer? (Choose three.) goodput frequency amplitude throughput crosstalk bandwidth

goodput throughput bandwidth

What is considered a benefit of wireless as a media choice? more host mobility lower security risks reduced susceptibility to interference less impact of the surroundings on the effective coverage area

more host mobility

With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs? the magnetic field around the adjacent pairs of wire the use of braided wire to shield the adjacent wire pairs the reflection of the electrical wave back from the far end of the cable the collision caused by two nodes trying to use the media simultaneously

the magnetic field around the adjacent pairs of wire

With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs? the magnetic field around the adjacent pairs of wire the use of braided wire to shield the adjacent wire pairs the reflection of the electrical wave back from the far end of the cable the collision caused by two nodes trying to use the media simultaneously

the magnetic field around the adjacent pairs of wire

Compared with UTP cable, what extra characteristic of STP cable helps reduce the effects of interference? the metal braiding in the shielding the reflective cladding around the core the twisting of the wires in the cable the insulating material in the outer jacket

the metal braiding in the shielding

What characteristic of UTP cable helps reduce the effects of interference? the metal braiding in the shielding the reflective cladding around core the twisting of the wires in the cable the insulating material in the outer jacket

the twisting of the wires in the cable

a customer installs a wireless access point at home in the closet next to the kitchen. the customer mentions that the wireless communication performance seems defraded when thecordless phone or the microwave oven is in use. what is the possible reason for this degradation? the access point is close to walls the cordless phone joins the WLAN and shares the available bandwith the wireless signal is in the same radio frequency range as the household devices are the access point is on the electrical circuit as the phone vase unit and microwave oven are the surge of electricity when a microwave aoven is in use distrupts the operation of the access point

the wireless signal is in the same radio frequencey range as the household devices are in

When is a straight-through cable used in a network? when connecting a router through the console port when connecting one switch to another switch when connecting a host to a switch when connecting a router to another router

when connecting a host to a switch

which data communications standard provides broadband access in a wirekess network? GSM Wi-fi wimax Bluetooth

wimax

Which method of signal transmission uses radio waves to carry signals? electrical optical wireless acoustic

wireless