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Exam Code: 70-398
Exam Name: Planning for and Managing Devices in the Enterprise
Q&As: 36
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Up to the Immediate Present Microsoft 70-398 Dump Exam Cram:
QUESTION 75:
Adaptive predictive coding techniques are used in:
A. Digital switching.
B. Modern voice codecs.
C. Obsolete voice codecs.
D. Optical multiplexing.
70-398 exam Answer: B
QUESTION 76:
Further processing of the digital signal beyond that done by PCM is needed to:
A. Avoid transmitting redundant information.
B. Accommodate analog and digital data.
C. Eliminate crosstalk.
D. Convert from 4 wire to 2 wire transmission.
Answer: A
QUESTION 77:
28 DS1s, or 672 DS0s, can be multiplexed into:
A. One type A channel bank.
B. An L3 carrier system.
C. A DS1c bit stream.
D. A DS3 bit stream.
70-398 dumps Answer: D
QUESTION 78:
A DS1 has:
A. A frame rate of 4,000 frames per second.
B. 24 DS0s plus a framing bit in each frame.
C. 30 B channels plus 1 D channel.
D. A bit rate of 1.536 Mbps.
Answer: B
QUESTION 79:
An OC192 uses the ___________ standard.
A. IEEE 802.3.
B. ANSI T1.402.
C. ITU Q.931.
D. SONET/SDH.
70-398 pdf Answer: D
QUESTION 80:
An OC3 system has:
A. Twice the capacity of an OC1.
B. Three times the capacity of an OC1 system.
C. Four times the capacity of an OC1 system.
D. The same capacity as an OC1 system.
Answer: B
QUESTION 81:
Digital loop carriers support:
A. Digital load coils.
B. High-bandwidth data services.
C. D type channel banks.
D. Frequency-division multiplexing.
70-398 vce Answer: B
QUESTION 82:
There may be no IXC switches in:
A. Large cities.
B. Suburban areas.
C. Rural towns.
D. Cellular SMSAs.
Answer: C
QUESTION 83:
Dimensioning is:
A. Developing digital switches.
B. Designing networks for efficient equipment use.
C. Specifying the boundaries of wire centers.
D. Specifying outside plant design criteria.
70-398 exam Answer: B
QUESTION 84:
Stored program control is used in:
A. Fiber optic transmission systems.
B. Step by step switches.
C. Early crossbar switches.
D. Both digital and analog switches.
Answer: D
QUESTION 85:
A geographical area containing many CO switches is a:
A. Wire center.
B. Business center.
C. Central office.
D. LATA.
70-398 dumps Answer: D
QUESTION 86:
Rural LATAs contain many:
A. Physically large wire centers.
B. IXC switches.
C. CLEC switches.
D. Physically compact wire centers.
Answer:
QUESTION 87:
In major metro LATAs, one or two IXCs will have _____________ to all ILEC
switches.
A. Digital radio links
B. Direct trunks
C. Fiber optic cable routes
D. Indirect trunk groups
70-398 pdf Answer:
QUESTION 88:
The CLECs reach most IXCs through the:
A. Main CLEC POP.
B. Nearest IXC POP.
C. ILEC local tandem.
D. ILEC access tandem.
Answer: D
QUESTION 89:
When dialed at the beginning of a toll call, a 1 means:
A. Use the ILEC to complete the call.
B. Use the CLEC to complete the call.
C. Use dial-around to complete the call.
D. Use the presubscribed carrier to complete the call.
70-398 vce Answer: D
QUESTION 90:
Overlapping area codes require:
A. Presubscription for local toll.
B. Common channel signaling for call completion.
C. Ten digit dialing for local calls.
D. Charging for all local calls.
Answer: C
QUESTION 91:
The _________________ is used by both ILEC and CLEC to access to customers.
A. Main distributing frame
B. IXC fiber optic ring
C. ILEC DACs
D. ILEC add-drop multiplexers
70-398 exam Answer: A
QUESTION 92:
Cost tradeoffs between switching and _______________ determine the size of a wire
center.
A. Fiber optic cable
B. Digital radio
C. Copper loop access plant
D. Digital and analog technologies
Answer: C
QUESTION 93:
A CLEC hub will contain a switch, _________ and Internet access equipment.
A. A main distributing frame
B. Digital radio equipment
C. Digital cross connect equipment
D. Customer billing equipment
70-398 dumps Answer: C
QUESTION 94:
Central offices become difficult to administer if they have more than about:
A. 1,000 working lines.
B. 10,000 working lines.
C. 100,000 working lines.
D. 500,000 working lines.
Answer: C
QUESTION 95:
Cellular franchise areas are allocated by:
A. LATA.
B. State.
C. Town or county.
D. Metropolitan statistical area
70-398 pdf Answer:
QUESTION 96:
The MTSO is the Mobil Telephone:
A. Service offer.
B. Service office.
C. Switching office.
D. Standard object.
Answer:
QUESTION 97:
Internet telephony can:
A. Reduce the cost of international calls
B. Integrate voice and data onto a single premise infrastructure.
C. Provide enhanced functionality.
D. All of the above.
70-398 vce Answer: D
QUESTION 98:
Cable TV providers have selected ______________ as the basis for rolling out
telephony.
A. Internet technology
B. Satellite transmission
C. Fiber to the home
D. CSMA/CD telephony standards
Answer: A
QUESTION 99:
Internet networks must be upgraded to provide the same ______________ as the
PSTN today.
A. Access capabilities
B. Ability to dial anywhere
C. Perceived quality of speech
D. Billing options
70-398 exam Answer: C
QUESTION 100:
A call which has reached the central office has three possible destinations: a local
line, ________ or an IXC POP.
A. A digital radio channel
B. A local ACD system
C. Another local switch
D. A metropolitan area network
Answer: C
QUESTION 101:
Copper loops and _________ are used between the analog phone and the CO switch:
A. Fiber cable
B. Digital switch
C. Digital loop carrier
D. Digital loop switches
70-398 dump Answer: D
QUESTION 102:
Analog two-wire loops and __________ are two general types of transmission
systems.
A. Carrier systems
B. Digital two-wire loops
C. Analog four-wire loops
D. Digital loop carrier
Answer: C
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