Network Operations

Which of the following cable types often includes a solid plastic core that keeps the twisted pairs separated? A) Cat 5 B) Cat 6 C) Cat 5e D) Cat 3

B) Cat 6

Which of the following are advantages of fiber optic cabling for a network? (Select 2) A) Lower installation cost B) Greater cable distances without a repeater C) No special training or equipment is required D) Immunity to electromagnetic interference

B) Greater cable distances without a repeater D) Immunity to electromagnetic interference

You are working with 25 pair wires and 66 blocks. You have pushed the wires onto the 66 block, but now you need to cut off the excess end of each wire. Which tool should you use? A) Needle nose pliers B) Punch down tool C) Cable stripper D) Snips

B) Punch down tool

Which of the following connector types will you most likely encounter? A) ST B) RJ11 C) F-Type D) BNC

D) BNC

Which of the following is true about single-mode fiber optic network cabling? A) Single-mode cabling supports shorter segment lengths than multi-mode fiber optic cabling. B) The central core is smaller than standard multi-mode fiber optic cabling core. C) Single0mode fiber core is composed of braided plastic or glass fibers.

B) The central core is smaller than standard multi-mode fiber optic cabling core.

You are building network cables and attaching RJ45 connectors to each end. Which tool do you need for this task? A) Wire puller B) Needle nose pliers C) Punch down tool D) Crimping tool

D) Crimping tool

Which of the following connector types are used with UTP cables? (Select 2) A) SC B) F-Type C) BNC D) RJ11 E) RJ45

D) RJ11 E) RJ45

Which pins in an RJ45 connector are used to transmit data when used on a 100baseT Ethernet network? (Select 2) A) Pin 1 B) Pin 2 C) Pin 3 D) Pin 4 E) Pin 5 F) Pin 6 G) Pin 7 H) Pin 8

A) Pin 1 B) Pin 2

You need to replace a fiber optic cable that is connecting two switches together. You inspect the existing fiber cable and determine that it uses LC connectors. You also notice the cable's ferrule has a slight slant to it. Which polish grade should you use to replace the existing cable? A) Ultra Physical Contact polish B) Physical Contact polish C) Angled Physical Contact polish D) Flat Physical Contact polish

C) Angled Physical Contact polish

You are adding new wires in your building for some new offices. The building has a false ceiling that holds the lights and provides an air path for heating and air conditioning. You would like to run your Ethernet cables in this area. Which type of cable must you use? A) STP cables B) Plenum rated cable C) Cat 5e or Cat 6a cables D) PVC jacketed cables E) Fiber optic cables

B) Plenum rated cable

F-type connectors are typically used with which of the following cable standards? (select 2) A) Cat 5 B) RG-59 C) RG-58 D) Cat 6a E) Cat 5e F) RG-6

B) RG-58 F) RG-6

Which of the following cables offers the best protection against EMI? A) Cat 6a B) RG-6 C) Cat 5e D) Cat 5

B) RG-6

Consider the 850nm multi-mode fiber optic cable shown below. How much loss can you expect between the transmitter and the receiver? A) -0.6 dB B) -0.3 dB C) -0.9 dB D) -1.2 dB

D) -1.2 dB

You have network that occupies all three floors of a building. The WAN service provider has installed the line for the WAN service into the building in a wiring closet on the main floor. You have a wiring closet on the two remaining floors directly above the wiring closet on the main floor. What would you use to connect the wiring closets together? A) Horizontal cross connect B) Vertical cross connect C) Demarc extension D) Smart jack

B) Vertical cross connect

You have just signed up for a broadband home internet service that uses coaxial cable. Which connector type will you most likely use? A) St B) SC C) F-type D) RJ11 E) RJ45 F) BNC

C) F-type

Which of the following terms identifies the wiring closet in the basement or a ground floor that typically includes the demarcation point? A) Smart jack B) Horizontal cross connect C) MDF D) 110 block E) IDF

C) MDF

Which of the following describes the point where the service provider's responsibility to install and maintain wiring and equipment ends, and the customer's responsibility begins? A) vertical cross connect B) Demarc C) IDF D) Punch down block

B) Demarc

Which of the following are characteristics of coaxial network cable? (Select 3) A) The conductors within the cable are twisted around each other to eliminate cross-talk. B) It has a conductor made from copper in the center of the cable. C) It uses RJ45 connectors D) It is composed of four pairs of 22 gauge copper wire. E) the ends of the cable must be terminated. F) It uses two concentric metallic conductors. G) It uses two concentric conductors that are made from plastic or glass and conduct light signals.

B) It has a conductor made from copper in the center of the cable. E) the ends of the cable must be terminated. F) It uses two concentric metallic conductors.

Which of the following connectors is used with fiber optic cables and requires that you use a twisting motion to connect it? A) SC B) ST C) BNC D) F-Type E) LC

B) ST

You've connected a cable certifier to an RJ45 wall jack, and the output shown below is displayed on the device. What does this output indicate? (Select 2) 1-3 2-6 3-1 4-7 5-8 6-2 7-4 8-5 A) There are multiple shorts on this cable. B) The cable is functioning correctly. C) This is a straight-through cable. D) This is a crossover cable. E) There are multiple open pins on this cable.

B) The cable is functioning correctly D) This is a crossover cable

Which of the following are characteristics of an LC fiber optic connector? (choose 2) A) They are threaded. B) They are half the size of standard connectors. C) They use a housing and latch system similar to an RJ45 UTP connector. D) They use a one-piece bayonet connecting system. E) They can be used with either fiber optic or copper cabling.

B) They are half the size of standard connectors C) They use a housing and latch system similar to an RJ45 UTP connector.

You are troubleshooting a connectivity problem in which one client system is unable to connect to a server. Both the server and client system are connected to the same Ethernet network switch. No other users have complained of a problem, and you suspect that faulty network cabling might be to blame. Which of the following troubleshooting steps are you most likely to preform first? A) Use a wire crimper to ensure that the cable ends are still fully attached to the cable in two places: between the computer and the network switch, and between the network switch and the server system. B) Use a cable tester to test the cable between the computer system and the network switch. C) Use a tone generator to test the network cables between the computer and the network switch and between the network switch and the server system. D) Use a cable tester to test the cable between the network switch and the server system. E) use a punch down tool to test the network cable between the computer system and the network switch.

B) Use a cable tester to test the cable between the computer system and the network switch.

Which type of polish grade uses green-colored connectors to help you keep from using the wrong connector type? A) Ultra Physical Contact (UPC) B) Super Physical Contact (SPC) C) Angled Physical Contact (APC) D) Physical Contact ( PC)

C) Angled Physical Contact (APC)

You have a small home network connected to the internet using an RG-6 cable. You need to move the router connecting the network to the internet, but can't find any RG-6 cable. Which cable types could you use instead? A) RG-58 B) Cat 3 C) RG-59 D) Cat 5e

C) RG-59

Which of the following connectors is used with Ethernet 100BaseT networks? A) ST B) BNC C) RJ45 D) RJ11

C) RJ45

Which type of optical fiber is normally used to connect two buildings that are several kilometers apart? A) Multi-mode B) Fibre Channel mode C) Single-mode D) Dual-mode

C) Single-mode

You want to use the T568B Standard for adding connectors to your Cat5 cable, starting with pin1, which order should you use for the wires within the connector? A) White/blue, blue, white/orange, orange, white/green, green, white/brown, brown. B) White/orange, orange, white/green, green, white/blue, blue, white/brown, brown. C) White/orange, orange, white/green, blue, white/blue, green, white/brown, brown. D) White/green, green, white/orange, blue, white/blue, orange, white/brown, brown.

C) White/orange, orange, white/green, blue, white/blue, green, white/brown, brown.

You need to terminate a Cat 6 UTP cable with an RJ45 connector. Your organization's IT policy states that all cable connectors must be wired according to TIA568B standards. Match the pin with the correct wire. Pin 1, Pin 2, Pin 3, Pin 4, Pin 5, Pin 6, Pin 7, Pin 8 White with orange stripe solid orange White with green stripe Solid blue White with blue stripe Solid Green White with brown stripe Solid brown

Pin 1 - White with orange stripe Pin 2 - solid orange Pin 3 - White with green stripe Pin 4 - Solid blue Pin 5 - White with blue stripe Pin 6 - Solid Green Pin 7 - White with brown stripe Pin 8 - Solid brown

Which of the following uses metal clips placed over plastic slots to connect individual cooper wires? A) 110 block B) 66 block C) 100 pair D) 25 pair

A) 110 block

While viewing the status of the interfaces on a Cisco switch, you see an abnormally large number of CRC errors on one interface. This interface is connected to a user's workstation located in a cubicle on the second floor. What could cause this to happen? A) A strong EMI emitter near the cable run connected to that interface. B) An incorrect subnet mask configured on the workstation. C) Two hosts on the network with the same MAC address. D) Collisions between two or more network hosts.

A) A strong EMI emitter near the cable run connected to that interface.

You have a network that occupies both floors of a building. The WAN service provider has installed the line for the WAN service in a wiring closet on the main floor. You have a second wiring closet on the second floor directly above the wiring closet that holds the demarc. Which of the following terms describes the closet on teh second floor? A) IDF B) MDF C) Horizontal cross connect D) Vertical cross connect C) Demarc extension

A) IDF

Which recommendation should you follow while using 110 blocks for connecting Cat 5 and higher data cables? A) Keep wire pairs twisted up to within one-half of an inch of the connector. B) Use C-5 connectors. C) Connect wires using the T568A standard. D) Connect wires using the T568B standard.

A) Keep wire pairs twisted up to within one-half of an inch of the connector.

Which of the following connectors are used with fiber optic cables and include both cables in a single connector? (Select 2) A) MTRJ B) LC C) SC D) BNC

A) MTRJ B) LC

Which of the following connectors usually require polishing as part of the assembly process? A) ST B) RJ45 C) F-Type D) BNC E) SC

A) ST E) SC

Of the following cables, which offer the best protection against EMI? A) Single-mode fiber optic B) Cat 5 C) RG-6 D) Cat 5e

A) Single-mode fiber optic

You are preparing to attach wires in a 110 block. You want to connect the wires and trim off the excess at the same time. Which of the following should you do? (Select 2. Each answer is part of the complete solution.) A) Use a punch down tool with a notched blade. B) Use a punch down tool with a straight blade. C) Point the cut side of the tool towards the wire end. D) Point the cut side of the tool towards the connected end of the wire.

A) Use a punch down tool with a notched blade. C) Point the cut side of the tool towards the wire end.

You are connecting Cat 5e cables to a 110 block. What order should you connect the wires in to follow standard wiring conventions? A)White/blue, blue, white/orange, orange, white/green, green, white/brown brown. B) White/orange, orange, white/green, blue, white/blue, green, white/brown, brown. C) White/green, green, white/orange, orange white/brown, brown. D) White/brown, brown, white/blue, blue, white/orange, orange, white/green, green.

A) White/blue, blue, white/orange, orange, white/green, green, white/brown, brown.

You have a network that occupies all three floors of a building. The WAN service provider has installed the line for the WAN service in a wiring closet on the main floor. You have a second wiring closet on the main floor. You need to connect the two wiring closets. Which of the following are typically used to connect the two wiring closets? (Select 2). A) Smart jack B) Vertical cross connect C) Demar extension D) 25 pair C) Horizontal cross connect

D) 25 pair C) Horizontal cross connect

You are making Ethernet drop cables using Cat5e cable and RJ45 connectors. You need to remove the plastic coating over the cavble to expose the individual wires. Which tool should you use? A) Snips B) Punch down tool C) Needle nose pliers D) Cable stripper

D) Cable strippers

You have a network that occupies the top floor of a three-story building. The WAN service provider has installed the line for the WAN service in a wiring closet on the main floor. What would you use to relocate the WAN line into a wiring closet on your floor? A) 66 block B) Horizontal cross connect C) 110 block D) Demarc extension

D) Demarc extension

You are installing networking wiring for a new Ethernet network at your company's main office building. The project specifications call for Cat 5e UTP network cabling and RJ45 wall jacks. Near The end of the project, you run out of wire before the last few runs are complete. You have a spool of Cat 3 network cable in storage. Upon investigation, it appears very similar to Cat 5e wiring. Should you use Cat 3 cabling as a substitute for Cat 5e cabling to finish the project? A) No. Cat 5e cabling uses a thicker copper wire than Cat 3 cable, enabling higher data transmission rates. B) No, category 3 cabling doesn't support RJ-45 connectors. C) Yes you can use Cat 3 cabling as a substitute for Cat 5e cabling, as they are electrically identical. D) No. Cat 5e cabling has more twists per inch than cat 3 cabling, reducing cross-talk and supporting higher data rates. E) No. The sheath surrounding Cat 5e cable is much thicker than the Cat 3 sheath creating an extra layer of shielding that reduces cross-talk and supports higher data rates.

D) No. Cat 5e cabling has more twists per inch than Cat 3 cabling, reducing cross-talk and supporting higher data rates.

Which of the following is used to terminate individual wires from a 25 pair or 100 pair cable using female RJ45 ports? A) 66 block B) Horizontal cross connect C) 110 block D) Patch panel

D) Patch panel

Which of the following connector types would you most likely use to connect to a T1 WAN service? A) RJ45 B) RJ11 C) GG45 D) RJ48C

D) RJ48C

Which of the following methods would you use to create a crossover cable? A) Use the BLOG convention. B) Use the T568A standard C) Use the T568B standard on one connector and the BLOG convention on the other connector. D) Use the T568A standard on one connector and the T568B standard on the other connector. E) Use the T568A standard on one connector and the BLOG convention on the other connector. F) Use the T568B standard.

D) Use the T568A standard on one connector and the T568B standard on the other connector.

You want to use the T568A standard to add connectors to your Cat5 Cable. Starting with pin 1, which order should you use for the wires within the connector? A) White/bule, blue, white/orange, white/green, green, white/brown, brown. B) White/orange, orange, white/green, green, white/blue, blue, white/brown, brown. C) White/orange, orange, white/green, blue, white/blue, green, white/brown, brown. D) White/green, green, white/orange, blue, white/blue, orange, white/brown, brown.

D) White/green, green, white/orange, blue, white/blue, orange, white/brown, brown.