amity solved assignment for WAN technologies

WAN Technologies

 

 

Questions  Marks - 10 

 

1 

What are the three types of VPNs? What type of VPNs link outside customers,

suppliers, partners, or communities of interest to an enterprise customer's

network over a shared infrastructure using dedicated connections?

  

 

2 

How many data-link connection identifier (DLCI)s can an interface support? Can

Frame Relay Inverse Address Resolution Protocol (IARP) work without Local

Management Interface (LMI)?

  

 

3 

What is the Frame Relay broadcast queue?

  

 

4 

What protocol enables dynamic Frame Relay mapping? .When LMI Auto sense is

in effect, what message type(s) does the DTE send to the DCE?

  

 

5 

Is there a way to direct FC3 to use MS-CHAP V2 authentication across a PPP

dialup connection? If so, how?

  

 

6 

Compare MPLS and IPSec-VPNs as WAN technologies?

What are the advantages and disadvantages each technology?

  

 

Case Detail : You need to troubleshoot a Cisco router at the Toronto office of How2Pass Inc. The
router loses its configuration each time it is rebooted. You study the output displayed
in the exhibit. What is the cause of the problem?
Exhibit:
----- output omitted ----
Cisco 2620 (MPC860) processor (revision 0x200) with
16384/2048K bytes of memory.
Processor board ID JAD05076EF6 (3878188963)
M860 processor: part number 0, mask 49
Bridging software.
X.25 software, Version 3.0.0.
2 Ethernet/IEEE 802.3 interface(s)
2 Serial(sync/async) network interface(s)
2 Low speed serial(sync/async) network interface(s)
32K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Configuration register is 0x2142

Please give your answer in at least 25 words and press save and continue button.

Question No: 1
132720 The Internet(internetworking) ha become a potent tool for
Education   Productivity   Enlightenment   All of these
Question No: 2
132721 In MAN, a network is accomplished using basic components
Hardware   Protocols(software)   Applications(useful software) All of the above
Question No: 3
132722 In MAN, a network is accomplished using components
Hardware   Protocols   Both a & b None of these
Question No: 4
132723 MAN uses only a
Long exchange   Local carrier   Both a & b None of these
Question No: 5
132724 Packet switching technologies such as _____________ are used to implement WAN along with statistical multiplexing
Frame relay   Switched multimeagabit data service   X.25 All of these
Question No: 6
132725 WAN also uses switching technology provided by ____________
Local exchange   Long distance carrier   Both a & b Small distance carrier
Question No: 7
132726 WAN technologies function at the lower three layers of the OSI reference model
Physical layer   Data link layer   Network layer All of these
Question No: 8
132727 MAN stands for
Machine area network   Metropolitan area network   Metropolitan asynchronous network Machine asynchronous network
Question No: 9
132728 Some of the widely used protocols for MAN are
ISDN   OC-3lines(155 Mbps)   ADSL(asymmetric digital subscriber line) All of the above
Question No: 10
132729 In MAN, different LANs are connected through a local _______
Telephone exchange   Computer wires   Both a & b None of these
Question No: 11
132730 The geographical limit of a MAN may
Not span a city   Span a city   Either span or not None of these
Question No: 12
132731 Government agencies and local libraries often use a MAN to connect to private
Industries   Citizens   Both a & b None of these
Question No: 13
132732 Solicit-successor frame contains the address of the
Sending station   Successor   Both a & b None of these
Question No: 14
132733 Check sum is used for
Error correction   Error detection   Both a & b None of these
Question No: 15
132734 A company needs a WAN connection that is capable of transferring voice, video, and data at a minimum data rate of 155 Mbps. Which WAN connection is the best choice?
X.25 ATM ISDN BRI DSL
Question No: 16
132735 The maximum length of this field is _______ when the address is _______
8182 & 2 bits   8182 & 2 bytes   8182 & 4 bits 8182 & 4 bytes
Question No: 17
132736 Info field is used to ________
Send messages   Send data   Delete data Create data
Question No: 18
132737 The destination address and source address field is similar to
IEEE 802.3 or CSMA/CD bus   IEEE 802.4 or token bus   IEEE 802.5 or token ring IEEE 802.6 or MAN protocol
Question No: 19
132738 Frame control is also used to specify the ________
Frame technique   Frame type   Both a & b None of these
Question No: 20
132739 Start of frame and end of frame are used to _______ the frame boundaries
Mark   Modify   Delete Find
Question No: 21
132740 A _________ preamble is used to synchronize the receiver’s clock
Four-byte   Three-byte   Two-byte One-byte
Question No: 22
132741 In a token ring, the stations are connected to the __________
Logical ring   Physical ring   Both a & b None of these
Question No: 23
132742 The ________ follows the ring topology
IBM of LAN     LAN of IBM   Both a & b None of these
Question No: 24
132743 The 802.2 compatible interfaces provide two major types of services, which are
Unacknowledged   Connectionless   Both a & b None of these
Question No: 25
132744 When compared with the OSI reference model, the IEEE standard contains the following layers:
Physical layer   Medium access control(MAC) equivalent to the lower part of the OSI data link layer   Logical link layer(LAC) equivalent to the upper part of the data link layer   All of these
Question No: 26
132745 The following are the important standards proposed by IEEE
IEEE 802.1- overview and relationship among the various IEEE standards IEEE 802.3 or CSMA/CD bus IEEE 802.4 or token bus All of these
Question No: 27
132746 ISO revised these standards and reintroduced them as ISO 8802 standards during ____
1977   1987   1997 1999
Question No: 28
132747 In 1985, the committee issued a set of ___ standards
2 3 4 5
Question No: 29
132748 The Institute of Electrical and Electronics Engineers established a project named IEEE project 802 during the year _____
1990   1970   1980 1960
Question No: 30
132749 The various LAN protocols are
Ethernet   Token ring   Both  a & b None of these
Question No: 31
132750 The components used by LANs can be categorized into
Hardware   Cabling protocols   Standards All of these
Question No: 32
132751 LAN is a network that is restricted to a relatively
Small area   Large area   Both a & b None of these
Question No: 33
132752 ______ refers to tone signals used for various control purposes via the telephone network
SMS   DTMF   GSM None of these
Question No: 34
132753 ______ is a collection of point-to-point links that may form a circle
LAN   MAN   WAN Ring topology
Question No: 35
132754 ____ is a network that this technology connects sites that are in diverse locations
LAN   MAN   WAN None of these
Question No: 36
132755 ______ is a network that covers geographic areas that are larger, such as districts or cities
LAN   MAN   WAN None of these
Question No: 37
132756 _______ is the technology that connects the machines and people within a site in a small area
LAN   MAN   WAN None of these
Question No: 38
132757 ATM stands for
Automatic taller machine   Automated teller machine   Automatic transfer machine Automated transfer machine
Question No: 39
132758 The first operational computer network in the world was the _________ for the United States Department of Defense
ARPANET   ERNET   SKYNET DARPANET
Question No: 40
132759 A computer network permits sharing of
Resources   Information   Both a & b None of these

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Year:  2015