Topic 17, Data Network Design Flashcards
What type of address is 00-A1-C3-52-CE-11?
A. IP
B. MAC
C. Host
D. Broadcast
E. Unicast
B. MAC
Which layer of the OSI model covers physical cable connections?
A. Layer 1
B. Layer 3
C. Layer 5
D. Layer 7
A. Layer 1
MAC addresses are _____________ bits in length.
A. 16
B. 24
C. 32
D. 48
E. 64
E. 64
The ITU-T G.711 standard deals with what aspect of video conferencing?
A. Coding and compression
B. File transfer during video conference
C. Call control during video conference
D. Voice compression during video conferencing
D. Voice compression during video conferencing
You are placing PTP fiber between two locations 55 km (34 miles) apart. You are told that
DWDM equipment will be installed within the next 5 years. Which of the following optical fiber types should you use?
A. Dispersion unshifted (ITU-G652)
B. Dispersion shifted (ITU-G653)
C. Cut off shifted (ITU-G654)
D. Non-zero dispersion shifted (ITU-G655)
E. Bending loss insensitive (ITU-G657)
D. Non-zero dispersion shifted (ITU-G655)
You have been selected to recommend a solution to increase response time and add fault tolerance to a bank of servers. Your budget is limited and the client needs a solution as soon as possible (ASAP). Which of the following options should be considered with the short time frame and limited budget?
A. Link aggregation
B. Device clustering
C. Backup network switching devices
D. Off site mass storage
E. Installation of RAID devices
B. Device clustering
Geographically speaking, a ______ links two or more distant sites.
A. SAN
B. PAN
C. LAN
D. CAN
E. WAN
E. WAN
A 24 port layer 2 switch can perform all of the following functions EXCEPT:
A. Bridge
B. Route
C. Link aggregation
D. Full duplex operation
B. Route
A ______ intercepts a file and stores it temporarily in queue until a peripheral device (e.g. printer) is available.
A. Server
B. Spooler
C. Jump drive
D. Printer
B. Spooler
Data representation including code translations, compressions, and encryptions is performed by what layer of the OSI model?
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5
E. Layer 6
E. Layer 6
The purpose of QoS on an IP network is for:
A. FAX transmission
B. Data representation
C. Audio quality
D. Streaming video quality
E. Real time web based services
C. Audio quality
IPv-4 addresses are ________ bits in length.
A. 16
B. 24
C. 32
D. 48
E. 64
C. 32
What type of address is 10.162.02.14?
A. IP
B. MAC
C. Host
D. Broadcast
E. Unicast
A. IP
You have just assumed management responsibility over an older network consisting of passive hubs and some layer 2 switches. The network is experiencing massive slow downs on an irregular basis. Which of the following is the MOST effective immediate solution to the problem?
A. Purchase and install layer 3 switching equipment.
B. Purchase and install a software based gateway.
C. Add bridges at key points in the network.
D. Segment your network into smaller domains.
A. Purchase and install layer 3 switching equipment.
ITU-T G.655 recommends which type of singlemode optical fiber?
A. DSF
B. N-DSF
C. NZ-DSF
D. SF
C. NZ-DSF
Generating multiple message frames containing identical data being transferred to different individual devices is called:
A. Unicast
B. Replicating unicast
C. Multicast
D. Broadcast
B. Replicating unicast
The loop distance range in an “ethernet in the first mile” (EFM) design is:
A. 2 km (1.2 mi)
B. 4.8 km (3 mi)
C. 6.1 km (3.8 mi)
D. 9.7 km (6 mi)
E. 12 km (7.5 mi)
C. 6.1 km (3.8 mi)
Route congestion and message priority are a few of the functions of what layer of the OSI
Model?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 5
C. Layer 3
Geographically speaking, a __________ covers an area associated with an individual’s work space.
A. SAN -
B. PAN -
C. LAN -
D. CAN -
E. WAN -
B. PAN
