2.0-2.2 Flashcards
An engineer has a task to survey an old building and determine the current network infrastructure. Building owners state that some cabling is from a recent install. The engineer achieves a speed of 10 Gbps while testing the cable up to 100 meters and also determines the cable to be well shielded. Based on the engineer’s findings, the cabling meets what specification?
Cat 3
Cat 6
Cat 5e
Cat 7
Cat 7
Cat 7 cable is fully screened and shielded (S/FTP) and rated for 10GbE applications
up to 100 m (328 feet). The cable supports transmission frequencies up to 600 MHz at 10 Gbps.
An engineer installs fiber cable between two buildings on a large company campus. Which type of fiber optic cable does the engineer use?
LC
Multimode
F-type
Single-mode
Single-mode
Single-mode fiber cables support data rates up to 10 Gbps or better and cable runs of many kilometers, depending on the quality of the cable and optics.
A wiring professional terminates the ends of some coaxial cables. Which one of these connectors can the professional use?
ST
DB-9
BNC
LC
BNC
A Bayonet Neil-Concelman (BNC) connector is a twist and lock type of connector that is used with coaxial cable.
Network equipment in a rack system has limited in-front facing space with the door closed. A technician uses small form-factor connectors to connect a fiber cable. After evaluating the choices, predict the correct fiber connectors for the system.
LC
ST
APC
UPC
LC
A lucent connector (LC) is a small form factor version of the SC push-pull fiber optic connector. It is available in simplex and duplex versions.
A network link offers simultaneous communications in each direction. Of the following choices, which defines this functionality?
Duplex
Straight-through
Multimode
Bidirectional
Duplex
Duplex is a communication configuration. Full-duplex refers to a communication type, such as network links, that allow simultaneously sending and receiving. Most network links are full-duplex.
A licensed wiring professional runs Cat 6A cable in lengths under 55 meters in an office building. What specification of cabling does the professional install?
100BaseT
1000BaseLX
1000BaseT
10GBaseT
10GBaseT
10GBaseT Ethernet specifies speeds of 10 gigabits. Cat 6, 6A, and 7 twisted pair cables fall under the 10GBaseT Ethernet specification.
An engineer creates several Ethernet cables and chooses to terminate the cable ends with the orange pair using pins one and two. Considering the standard choices, which of the following does the engineer choose to implement?
TIA/EIA 568b
TIA/EIA 568a
RJ-11
RJ-45
TIA/EIA 568b
There are two defined methods for terminating Ethernet connectors: T568A and T568B. While T568A is mandated, T568B is the more widely deployed of the two.
A network link offers simultaneous communications in each direction. Of the following choices, which defines this functionality?
Duplex
Bidirectional
Straight-through
Multimode
Duplex
Duplex is a communication configuration. Full-duplex refers to a communication type, such as network links, that allow simultaneously sending and receiving. Most network links are full-duplex.
A company plans a network run to a warehouse behind its main office building. The distance is short and to save money, the IT engineer suggests using a specific type of fiber cabling. Which type does the engineer recommend implementing, based on the given criteria?
Multimode
Single-mode
Bidirectional
Duplex
Multimode
Multimode fiber is inexpensive to deploy compared to single-mode fiber. As such, it does not support long distances as single-mode and is more suitable for Local Area Networks (LANs) than Wide Area Networks (WANs).
An engineer uses fiber optic cable for a run within a building. Which type of transceiver does the engineer use to achieve 40 Gbe speed?
GBIC
SFP+
RG-59
QSFP
QSFP
Quad Small Form Factor Pluggable (SFP) (QSFP and QSFP+) is a transceiver form factor designed to support 40 GbE plus other high bandwidth applications (including InfiniBand and SONET). Essentially it combines 4 SFP or SFP+ links.
A company requires connectivity between two buildings. The buildings are over 750 meters apart. IT engineers suggest which type of fiber cabling?
Duplex
Multimode
Single mode
Straight-through
Single mode
Single-mode fiber cables support data rates up to 10 Gbps or better and cable runs of many kilometers, depending on the quality of the cable and optics.
A wiring expert runs new Ethernet cabling in an office. The chosen cable type allows for distances of 100 meters (328 feet) with speeds of 10 Gbps, fully screened and shielded. Based on the characteristics of the standard Ethernet cable categories, which should the expert install?
Cat 6
Cat 3
Cat 5e
Cat 7
Cat 7
Cat 7 cable is fully screened and shielded (S/FTP) and rated for 10GbE applications
up to 100 m (328 feet). The cable supports transmission frequencies up to 600 MHz at 10 Gbps.
An engineer uses fiber optic cable for a run within a building. Which type of transceiver does the engineer use to achieve 40 Gbe speed?
GBIC
RG-59
SFP+
QSFP
QSFP
Quad Small Form Factor Pluggable (SFP) (QSFP and QSFP+) is a transceiver form factor designed to support 40 GbE plus other high bandwidth applications (including InfiniBand and SONET). Essentially it combines 4 SFP or SFP+ links.
A network engineer installs a layer 3 device to connect several networks with differing subnets. Which device does the engineer implement to achieve the desired connectivity?
Router
Bridge
Hub
Switch
Router
A router is a hardware appliance or application that connects different networks/subnets for communication purposes but keeps them as separate networks. A router is a layer 3 device, and communication between networks occurs with routing tables.
A systems administrator installs a connectivity device that results in a high number of data collisions. Which device did the administrator install?
Media converter
Hub
Switch
Bridge
Hub
A hub (also known as a dumb device) connects computers to a network in a star configuration. A hub lacks the features contained in a switch such as traffic control based on physical addressing.
