Semester 4 Final Exam

Question 1:
What does PPP use to configure network layer protocols?

A.   NCP

B.   LCP

C.   LPQ

D.   LPD

Question 2:
What is used to indicate the beginning or end of a PPP frame?

A.   Address bits

B.   Control bits

C.   Frame sequencing

D.   Flags

Question 3:
What links are typically the lowest speed links in the enterprise?

A.   LAN links

B.   WAN links

C.   Remote access links

D.   Frame Relay links

Question 4:
What is the first step in LAN design?

A.   Establish the design goals

B.   Estimate the design cost

C.   Determine the network users

D.   Determine the physical size

Question 5:
What type of network design is the most scalable?

A.   Hierarchical

B.   Mesh

C.   Flat

D.   Linear

Question 6:
What significance do DLCIs have in a Frame Relay network?

A.   Global significance

B.   Local significance

C.   Both local and global significance

D.   DLCIs have been replaced by LMI processes

Question 7:
What does PPP use to establish, configure and test the WAN link?

A.   Network control program

B.   Link control protocol

C.   Simple network management protocol

D.   Dynamic host configuration protocol

Question 8:
What command is used to configure a subinterface that will forward broadcasts and routing updates?

A.   router(config-if)#interface serial 1 multipoint

B.   router(config-if)#interface serial 1 point-to-point

C.   router(config-if)#interface serial 1.1 multipoint

D.   router(config-if)#interface serial 1.1 point-to-point

Question 9:
What type of data is carried on ISDN B channels?

A.   Analog

B.   Sideband signals

C.   Signal and control

D.   Voice and data

Question 10:
What routing protocol does Novell use?

A.   IGRP

B.   RIP

C.   EIGRP

D.   IPX

Question 11:
What is the default ISDN encapsulation used on Cisco ISDN routers?

A.   SLIP

B.   PPP

C.   HDLC

D.   VPP

Question 12:
When configuring ISDN on a router, from whom is the SPID obtained?

A.   Network administrator

B.   User

C.   Service provider

D.   Internic

Question 13:
What command is used to configure an interface for PPP encapsulation?

A.   router>encapsulation ppp

B.   router#encapsulation ppp

C.   router(config)#encapsulation ppp

D.   router(config-if)#encapsulation ppp

Question 14:
Which of the following commands is used on a router to verify Frame Relay is up and operational?

A.   show line

B.   show version

C.   show interface

D.   show frame relay

Question 15:
What are the two authentication options supported by PPP?

A.   PAP and clear text

B.   PAP and CHAP

C.   CHAP and clear text

D.   PPP does not support authentication

Question 16:
In a hierarchical design what device is used for data path determination?

A.   Hubs

B.   Switches

C.   Routers

D.   Bridges

Question 17:
What happens to a packet that does not match any of the tests in an access list?

A.   It is discarded.

B.   It is sent to the recipient.

C.   It is stored until the access list is updated.

D.   It is returned to the sender.

Question 18:
What protocol supports Network Management?

A.   SMTP

B.   NFS

C.   SNMP

D.   FTP

Question 19:
What command is used to display the hardware addresses in the arp cache?

A.   tracert

B.   arp -a

C.   rarp -a

D.   arp -s

Question 20:
What is the function of the service profile identifiers or SPIDs?

A.   Replace the DLC number

B.   Used instead of subnetting

C.   Identify line configuration

D.   Logical address of the ISDN router

Question 21:
At what time interval does IGRP send routing updates?

A.   120 seconds

B.   30 seconds

C.   60 seconds

D.   90 seconds

Question 22:
What command is used to establish a remote login to a router?

A.   rsession

B.   rlogin

C.   telnet

D.   rconsole

Question 23:
A switch segments a LAN into which of the following?

A.   Microsegments

B.   Workgroups

C.   Broadcast domains

D.   Access groups

Question 24:
Which ISDN channels are for voice, video, and data?

A.   D channels

B.   B channels

C.   Data channels

D.   C channels

Question 25:
Which OSI layer performs the following types of encapsulation: ISDN, Frame Relay, and HDLC?

A.   Network

B.   Session

C.   Data link

D.   Transport

Question 26:
Which of the following is another term for shortest path first routing algorithm?

A.   Source bridging

B.   Store and forward

C.   Distance-vector

D.   Link state

Question 27:
Which protocol works with Network Traffic Monitoring software to gather information for monitoring analysis?

A.   RIP

B.   IGRP

C.   SNMP

D.   IPX/SPX

Question 28:
The point at which the CPE ends is known as what?

A.   Point of presence

B.   Local loop

C.   DTE

D.   Demarcation

Question 29:
ISDN voice/video/data channels operate at what speed?

A.   16 kbps

B.   28.8 kbps

C.   32 kbps

D.   64 kbps

Question 30:
A router is referred to as which type of device?

A.   DCE

B.   DTE

C.   CPE

D.   CO

Question 31:
Which type of device does PPP use to provide a reliable connection?

A.   Switches

B.   Routers

C.   Concentrators

D.   Hubs

Question 32:
Which of the following improves security in PPP authentication?

A.   LCP

B.   NCP

C.   CHAP

D.   PAP

Question 33:
What layers of the OSI model are WANs focused on?

A.   Network and transport

B.   Physical and data link

C.   Network and data link

D.   Physical and network

Question 34:
Which of the following is used to alleviate congestion?

A.   Install more hubs

B.   Use an extended star

C.   Use a bus topology

D.   Increase the bandwidth

Question 35:
What is the function of the first phase of PPP negotiation?

A.   Link termination

B.   Link-quality determination

C.   Link establishment and configuration negotiation

D.   Network-layer protocol configuration negotiation

Question 36:
Which of the following is an alternative to a dedicated WAN link?

A.   X.25

B.   ISDN

C.   T1

D.   DS3

Question 37:
What command is used to check a physical connection between two hosts?

A.   TPING

B.   WINPING

C.   TCPING

D.   PING

Question 38:
Workgroup servers should be placed in which layer of the three-layer design model?

A.   Core

B.   Distribution

C.   Access

D.   Workgroup

Question 39:
Which of the following is the ISDN Layer 2 signaling protocol?

A.   BRI

B.   PRI

C.   LAPA

D.   LAPD

Question 40:
What does remote monitoring use to gather data?

A.   SNMP agent

B.   RMON probe

C.   SNTP server

D.   MIB

Question 41:
VLANs, along with routers, establish which of the following?

A.   WANs

B.   LANs

C.   Broadcast domains

D.   Collision domains

Question 42:
Which ISDN channel is used to establish call setup?

A.   Channel D

B.   Channel B

C.   Channel Call setup

D.   Channel C

Question 43:
Which of the following single router changes should NOT adversely affect network operations?

A.   Creating a router banner

B.   Changing the DNS server's address

C.   Changing subnet mask length

D.   Changing the routed protocols in use

Question 44:
Which of the following commands is used by Windows NT computers to display IP settings?

A.   ipconfig

B.   winipcfg

C.   ipsetting

D.   ipstats

Question 45:
In which layer of the three-layer design model is policy-based connectivity implemented?

A.   Core

B.   Access

C.   Distribution

D.   Workgroup

Question 46:
What does CIR designate in a Frame-Relay connection?

A.   Guaranteed rate that the service provider commits to providing

B.   Maximum data burst rate that the switch can handle

C.   Number of simultaneous virtual circuits available from a service provider

D.   Number of simultaneous DLCIs that can be established across the cloud

Question 47:
Which IPX routing command is used to show the number and type of packets received and transmitted by the router?

A.   show ipx servers

B.   show ipx route

C.   show ipx traffic

D.   show ipx interface

Question 48:
In which layer of the three-layer design model can LANs or groups of LANs be found?

A.   Workgroup

B.   Distribution

C.   Access

D.   Core

Question 49:
Which packet-switched WAN technologies are characterized by the use of Permanent Virtual Circuits (PVCs)?

A.   Frame Relay and ISDN

B.   Frame Relay and X.25

C.   ISDN and X.25

D.   ISDN only

Question 50:
What is required to configure multiple DLCIs on a single router interface?

A.   A single network address

B.   Multiple LMIs

C.   Subinterfaces

D.   Multiple IP addresses on the same subnet

Question 51:
Where should extended access lists be placed?

A.   Close to the source

B.   Close to the destination

C.   On any router in the network

D.   Midway between source and destination

Question 52:
What method does a router use to build a Frame Relay map?

A.   ARP requests

B.   RARP requests

C.   Inverse RARP requests

D.   Inverse ARP requests

Question 53:
In which layer of the three-layer design model would users with common interests be grouped?

A.   Access

B.   Workgroup

C.   Core

D.   Distribution

Question 54:
What type of Frame Relay message is used to ensure that both sides will continue to see an active connection?

A.   Keepalives

B.   Call reference

C.   Status-inquiry

D.   Information element

Question 55:
Which of the following commands displays current TCP/IP network connections?

A.   Ping

B.   Tracert

C.   Telnet

D.   Netstat

Question 56:
What connection types are supported on an interface in Frame Relay?

A.   Point-to-point only

B.   Multipoint only

C.   Point-to-point and multipoint

D.   Unicast

Question 57:
Which WAN protocol uses virtual circuits to make connections through a connection-oriented service?

A.   Frame Relay

B.   ISDN

C.   ATM

D.   PPP

Question 58:
XYZ Company is considering online video training applications. Which of the following issues is most important when deploying this application on the network?

A.   Equipment location

B.   Business critical traffic

C.   WAN service selection

D.   Media selection

Question 59:
Which of the following is a WAN design characteristic?

A.   Provides user access

B.   Relatively low throughput

C.   Extremely low error rates

D.   Low delay for users

Question 60:
What type of handshaking occurs when using CHAP?

A.   One-way

B.   Two-way

C.   Three-way

D.   Four-way