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Appendix A
Practice Exam

1.  ESCON operates at:
A.  10Mbps
B.  17Mbps
C.  100Mbps
D.  17MBps
2.  Without regard to the hierarchical model, queues are typically placed at which of the following points in the network?
A.  Access-layer routers
B.  Distribution-layer routers
C.  At the transmitting interface of a router connected to a slow link
D.  Only in the core
3.  Which of the following is not an encapsulation method of serial tunneling?
A.  Direct
B.  HDLC
C.  RSRB
D.  TCP/IP
4.  SNA connections between two nodes are typically provided by which of the following?
A.  RSRB
B.  APPN
C.  DLSw+
D.  None of the above
5.  The RIF includes:
A.  Ring numbers and SNA addresses
B.  Ring numbers and IP addresses
C.  Ring numbers and bridge numbers
D.  Bridge numbers and SNA addresses
6.  Each FEP must maintain a different LAA. True or false?
A.  True
B.  False
7.  Traditional source-route bridging would be most efficient in which environment? (Forgo SR/TLB as a consideration.)
A.  The entire link must be serial in nature.
B.  The entire link must be Ethernet in nature.
C.  The entire link must be Token Ring in nature.
D.  At least two different topologies must be used.
8.  DLSw differs from RSRB in that:
A.  With DLSw, the RIF is not terminated in the WAN cloud.
B.  With RSRB, the RIF is terminated at the edge of the WAN cloud.
C.  With RSRB, the RIF does not exist.
D.  With DSLw, the RIF is terminated at the edge of the WAN cloud.
9.  By default, how often are hellos sent in EIGRP?
A.  Every 3 seconds
B.  Every 5 seconds
C.  Every 10 seconds
D.  Every 60 seconds
10.  The best EIGRP designs are:
A.  Hierarchical
B.  Hub-and-spoke
C.  Partial-mesh
D.  Full-mesh
11.  Following a link failure in EIGRP, without a feasible successor, the router will:
A.  Flood the entire AS for a new route
B.  Flood the entire network, including redistributed protocols, for a route
C.  Wait for the next update window and listen for an announcement from the missing network
D.  Query neighbor routers for a new route
12.  Which best defines mobile hosts in EIGRP?
A.  A wireless host
B.  A host that is not located on its natural subnet
C.  Workstations that use DHCP
D.  None of the above. Only OSPF v2 supports mobile hosts.
13.  To support discontiguous subnets in EIGRP, the designer must:
A.  Disable auto-summarization
B.  Enable auto-summarization
C.  Enable auto-discontiguous network services
D.  Take no action
14.  Which of the following protocols use hellos?
A.  EIGRP
B.  IGRP
C.  OSPF
D.  ODR
E.  RIP v2
F.  All of the above
G.  None of the above
15.  SAP access lists should be deployed:
A.  At the access layer
B.  At the distribution layer
C.  At the core layer
D.  All of the above
16.  Which of the following sets of names would lend itself best to a NetBIOS name filter?
A.  MKT-FS1, MKT-FS2, MKT-PTR1
B.  MKT-FS1, MarketingFileSvr, Printer-MKT
C.  FS-MKT, PR-MKT, FS2-MKT
D.  01FS, 02FS, 01PS
17.  Configuring the router for IPX type 20:
A.  Blocks all NetBIOS packets
B.  Automatically requires the use of NLSP
C.  Permits the flooding of NetBIOS broadcasts throughout the network
D.  Disables IPX routing and enables bridging
18.  IP eXchange:
A.  Requires a Unix server
B.  Needs a single IP address for all clients
C.  Tunnels IPX packets in IP datagrams
D.  Is a high-speed file transfer protocol
19.  An NLSP area should be limited to:
A.  100 nodes
B.  200 nodes
C.  400 nodes
D.  800 nodes
20.  Assuming a Cisco router is in an environment that has six IPX routes of equal cost, how many routes will the router use by default?
A.  One IPX route
B.  Two IPX routes
C.  Four IPX routes
D.  All IPX routes of equal cost
21.  IPX process switching:
A.  Provides no load balancing
B.  Load balances packet by packet
C.  Load balances by destination
D.  Load balances based on the underlying routing protocol
22.  How many Ethernet encapsulations are there?
A.  One
B.  Two
C.  Three
D.  Four
23.  NetBIOS over AppleTalk is called:
A.  NWLink
B.  NetBEUI
C.  NBT
D.  None of the above. NetBIOS does not operate over AppleTalk.
24.  The administrator elects to not use DHCP. Thus, the administrator:
A.  Must use WINS
B.  Cannot use WINS
C.  Must assign addresses manually at the host
D.  Cannot use NBT
25.  NetBIOS operates:
A.  At the network layer
B.  At the transport layer
C.  At the session layer
D.  At the data link layer
26.  A workgroup:
A.  Requires the use of a domain controller
B.  Requires membership in a domain
C.  Requires the use of WINS and DHCP
D.  Can be created by any two nodes
27.  A network requires redundancy whenever possible. Which of the following cannot be configured for redundancy?
A.  WINS
B.  DHCP
C.  The domain controller
D.  None of the above
28.  Which of the following cannot be used for name resolution in Windows networks?
A.  Broadcasts
B.  DHCP
C.  DNS
D.  WINS
29.  Well-designed IP networks with broadcast controls can support up to:
A.  100 hosts
B.  200 hosts
C.  500 hosts
D.  1000 hosts
30.  NetBIOS cannot run on Unix systems. True or false?
A.  True
B.  False
31.  Which of the following is true regarding AAL 3/4?
A.  It provides for 44 bytes of payload.
B.  It includes a sequence number.
C.  It includes a message identifier.
D.  All of the above.
32.  ATM headers provide which of the following?
A.  VPI and DLCI
B.  VCI and DLCI
C.  DLCI and CIR
D.  VPI and VCI
33.  A network design must incorporate voice services. The designer should look to which technology as part of the solution?
A.  Frame Relay
B.  ATM
C.  SMDS
D.  Leased line
34.  The default Frame Relay LMI encapsulation is which of the following?
A.  Annex D
B.  Annex A
C.  Frame Relay Forum LMI
D.  AAL 5 LMI
35.  OAM F5 cells provide which of the following?
A.  Switch-to-switch management
B.  End-station-to-switch management
C.  End-station-to-end-station switch management
D.  End-station-to-end-station switch management for virtual circuits
36.  Which of the following typically generates the greatest long-term costs in WAN design?
A.  Termination equipment
B.  Routers
C.  Switches
D.  Circuits
37.  Compared to LANs, are wide area networks generally more or less reliable?
A.  WANs are more reliable.
B.  WANs are less reliable.
38.  Which of the following provides the best reason to use VPN technology?
A.  Lower access charges
B.  Higher security
C.  Fault tolerance
D.  None of the above
39.  For security, which provides the best protection from hackers?
A.  Private copper
B.  Private fiber
C.  Public copper
D.  Public fiber
40.  The router dynamically permits access into the network based on out-bound traffic. This likely uses which of the following?
A.  The established bit
B.  The SYN-ACK bit
C.  Reflexive access lists
D.  Time-based access lists
41.  Which of the following is not true regarding AURP?
A.  It is an open standard.
B.  It converts AppleTalk packets to IP.
C.  It sends routing updates only on changes.
D.  It does not replace RTMP.
42.  AppleTalk networks frequently:
A.  Fail to scale because of broadcasts
B.  Are difficult to configure
C.  Require manual configuration of addresses on each node
D.  Require DHCP servers
43.  The GetZoneList filter:
A.  Blocks ZIP information from the local router to the node
B.  Blocks zone information from leaving the local zone
C.  Is used to proxy zone information
D.  Also blocks RTMP updates
44.  What should the designer do when designing a tunnel for AppleTalk across IP? (Choose two.)
A.  Use a star topology.
B.  Remember that performance may degrade.
C.  Note that only RTMP is permitted.
D.  Use only AppleTalk phase one.
45.  Which of the following would be the best zone name for a point-to-point WAN link between San Francisco and Chicago?
A.  ZZZ-WAN-SFO-ORD
B.  3.4
C.  WAN-SFO-ORD
D.  Wan SFO ORD
46.  Which of the following is not recommended in AppleTalk networks?
A.  Use filtering where possible.
B.  Do not use RTMP on WAN links.
C.  Permit more than 500 nodes per segment.
D.  Limit the number of resources per zone.
47.  Vertical cable runs typically employ which of the following?
A.  Copper wires
B.  Fiber-optic cables
C.  SONET
D.  ATM
48.  Cisco switches (Catalyst 5000 series) can connect to which of the following via ISL?
A.  Other Cisco switches
B.  Other Cisco routers
C.  ISL-aware NICs for servers
D.  All of the above
49.  A single router connects multiple switches in the building. This design is best described as:
A.  A distributed backbone
B.  A flat network
C.  A collapsed backbone
D.  A hybrid backbone
50.  The designer installs a simple 10Mbps switch to replace a shared 10Mbps Ethernet hub. The theoretical increase in available bandwidth for 12 stations is:
A.  The same
B.  Doubled
C.  Increased by a factor of 12
D.  Not enough information provided

Answers to Practice Exam

1.  D.
2.  C.
3.  C.
4.  B.
5.  C.
6.  B.
7.  C.
8.  D.
9.  B.
10.  A.
11.  D.
12.  B.
13.  A.
14.  A, C.
15.  A.
16.  A.
17.  C.
18.  B.
19.  C.
20.  A.
21.  B.
22.  D.
23.  D.
24.  C.
25.  C.
26.  D.
27.  D.
28.  B.
29.  D.
30.  B.
31.  D.
32.  D.
33.  B.
34.  C.
35.  D.
36.  D.
37.  B.
38.  A.
39.  B.
40.  C.
41.  B.
42.  A.
43.  A.
44.  A, B.
45.  A.
46.  C.
47.  B.
48.  D.
49.  C.
50.  C.

This is the best answer to the question; however, many designers would expand upon this by incorporating collisions, full versus half duplex, and number of nodes per segment. For example, half duplex yields a total of 10Mbps, while full duplex connections can double this. Also, many designers would consider the 10Mbps and divide this figure by 12 on a shared hub, yielding the bandwidth available per station.


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