CCNP BSCI 642-801 Test Database Console
Final Exam Preparation


CCNP BSCI 642-801 Test Database

Final Exam Preparation

Use the console buttons to scroll through the 75 questions.

1) Where would you configure a point-to-point interface for OSPF over an NBMA topology?

   At the interface level.
   At the subinterface.
   Under the routing process.
   Under the subinterface.
2) Which of the following commands will verify that the source address of the route is the transmitting router in BGP?

   neighbor [ ip address ] remote-as next-hop-self
   neighbor [ ip address ] mask [ mask ] next-hop-self
   neighbor [ ip address ] always
   neighbor [ ip address ] next-hop-self
3) What command enables the BGP process?

   router bgp remote [ autonomous system number ]
   router bgp [ process-id ]
   ip routing bgp
   router bgp [ autonomous system number ]
4) Which of the following are examples of exterior routing protocols?

   BGP-4
   IS-IS
   OSPF
   RIP V1
5) Select the statement that is true.

   The routing table for IP contains the selected BGP path and the attributes.
   BGP uses the command "clear ip bgp *" to clear the Ip routing table.
   By default, BGP does not store prefixes before policy application.
   BGP sends incremental updates every 15 minutes.
6) Is it necessary to prevent the private addresses from entering the Internet?

   Yes, if the private addresses appears on the Internet, the packet with the address should be dropped.
   Yes, the private address would invite unsolicited mail.
   No, the private address is unique to the Internet; it simply indicates that there is a firewall in place.
   No, the destination address wil convert the source address to a unique address.
7) Which of the following commands displays how many SPF calculations have taken place?

   show ip route
   show ip ospf interface
   show ip ospf protocols
   show ip ospf
8) What is the purpose of an ABR?

   A router responsible for connecting to outside the autonomous system.
   A router responsible for connecting two or more areas.
   A logical group of nodes forming a backbone that connects other areas.
   A group of routers running OSPF with no external links.
9) Which four of the following do IS-IS and OSPF have in common?

   Dijkstra algorithm
   Classless routing protocol
   Link state routing protocol
   Classful routing protocol
   Classless routing protocol
10) Which of the following describes the forwarding process?

   The means by which a datagram is selected to be in the routing table.
   The process that determines which path to select from the routing table.
   How networks are forwarded between autonomous systems.
   The switching process using the memory cache.
11) What does the initials CLV represent?

   Complete/Length/Verification
   Code/Length/Value
   Current/Long/Vector
   Code/Length/Vector
12) Why would you want to use "mesh groups" with Integrated ISIS?

   Mesh groups accelerate data flow across WAN links.
   Mesh groups accelerate dataflow across LAN links.
   Mesh groups accelerate data flow across WLAN links.
   Mesh groups optimize the flooding of LSPs.
13) Which of the following best describes a routing protocol?

   A set of rules that describes how Layer 3 routing devices will send updates between each other about available networks and build a routing table.
   The mechanism by which a router describes the autonomous system.
   The means by which a router learns about the Internet.
   The rules that state how a router builds a routing table.
14) The "ip bandwidth-percentage eigrp" command performs which of the following functions?

   It dictates what the maximum bandwidth percentage that EIGRP packets are allowed to use on a single router interface.
   It dictates what the maximum bandwidth percentage that IP packets are allowed to use on a single router interface.
   It dictates what the maximum bandwidth percentage that EIGRP packets are allowed to use on all router interfaces
   It dictates what the maximum bandwidth percentage that packets routed via EIGRP are allowed to use on a single router interface.
15) Manual summarization is available in which of the following interior routing protocols?

   OSPF; RIP V1; IS-IS
   EIGRP; OSPF; BGP-4
   EIGRP; OSPF; RIP V2
   EIGRP; IS-IS; RIP V2; OSPF
16) In order to determine the "best" path to a destination network, you need to add which two path costs together?

   Feasible distance
   Partial distance
   Advertised distance
   Aggregate distance
   Ultimate distance
17) Which algorithm is used by distance vector routing protocols?

   DUAL
   Bellman Ford
   Dijkstra
   Feasible successor
18) Name the interior routing protocols on a Cisco router that sends a routing update every 30 seconds by default.

   IGRP
   RIP V1
   RIP V1; RIP V2
   BGP-4
19) IS-IS uses the Hello protocol to create and maintain adjacencies and neighbor relations. Which of the following are Hello packets used in IS-IS?

   A generic Hello
   Point-to-point Level 1, point-to-point Level 2, LAN Level 1, LAN Level 2
   Point-to-point, LAN Level 1, LAN Level 2
   Point-to-point Level 1, point-to-point Level 2, LAN
20) When an OSPF router receives an LSA - which of the following best describes the action taken?

   Update the routing table and flood the new routing table out of all interfaces.
   Update the topology table and flood the LSA out of its interfaces.
   Put the suspect route into a holddown for 30 seconds.
   Mark the entry as suspect and query neighbors for a new route.
21) Which of the following commands is the correct command for placing the subnet 172.16.20.128 in Area 1, and all other subnets within the classful address in Area 0?

   network 172.16.20.128 0.0.0.0 area 1
network 0.0.0.0 255.255.255.255 area 0
   network 172.16.20.128 0.0.0.255 area 1
network 172.16.0.0 0.0.255.255 area 0
   network 172.16.20.128 0.0.0.0 area 1
network 172.16.20.0 255.255.255.255 area 0
   network 172.16.20.128 0.0.0.7 area 1
network 172.16.20.0 255.255.255.255 area 0
22) Which Layer 3 protocols are supported by IS-IS?

   IP; AppleTalk; IPX
   IP and CLNS
   IP and IP V6
   DECnet Phase V
23) When using OSPF, which of the following is a problem with large routing tables?

   The routing table is sent out every 30 seconds, which will cause congestion.
   As the routing table increases in size, the longer each lookup becomes, the memory requirements on the router also increase.
   The process will time out before a path to a destination is found.
   Fast switching cannot be used if the routing table exceeds a certain size.
24) Which of the following is a valid IP V6 address?

   4021::240E::0AC0:3428:121C
   4021:240E::0AC:3428
   4021:0000::240E::0000::0000::0AC::3428::121C
   4021:0:240E::0AC0:3428:121C
25) EIGRP builds a topology table of the network, it places the best route in the routing table. This route is called a _____________________, if there is another route that can be used without causing a loop then that route is called _______________?

   a successor
an alternative successor
   a feasible successor
an alternative successor
   a successor
a feasible successor
   a feasible successor
a successor
26) Where are IS-IS areas defined?

   On the link
   On the interface
   At the process
   A separate process is required for each routing table
27) Which "debug" command shows the changes in adjacencies, flooding information, designated router selection, and shortest path first (SPF) calculations?

   show ip packets
   debug ip ospf events
   debug ospf events
   debug ospf packets
28) What can be done to prevent feedback loops during redistribution between EIGRP autonomous systems?

   Disabling the query process
   Manually configuring the query holdtime
   Applying route filters
   Implementing summarization
29) Which two of the following define the purpose of the "network" command?

   To state the networks that are to be summarized.
   To state the networks to be advertised.
   To define the OSPF areas and associate the interface with the area.
   To identify the interfaces through which OSPF packets are to be sent and received.
30) What is the pupose of the neighbor command?

   Forces the path to be chosen
   Identifies the next hop router and sends LSAs and Hellos
   States the address and autonomous system of the neighbor with home to peer
   States the neighbor that might be considered as feasible paths
31) When is it possible to turn off the default synchronization?

   When confederations are used
   When route reflectors are configured
   When the iBGP neighbors are fully meshed
   When all the routers in the autonomous system are running iBGP
32) OSPF assigns the network address to the interface. To what is the IS-IS address assigned?

   To the CLNS interface
   To the IANA network address
   To the interface
   To the IS-IS process
33) Which command would you issue if you wanted to check the status of configured virtual links?

   show ospf virtual-links
   show virtual-links ospf
   show ip ospf virtual-links
   show ip ospf v-links
34) When is the "neighbor" command used in configuring OSPF over a nonbroadcast NBMA link?

   Neighbors are defined to allow the manual configuration of the neighbor table.
   Nonbroadcast multiaccess ATM clouds need neighbors to be defined so that the address can be appended to each cell.
   In a nonbroadcast point-to-multipoint network, the neighbor command is used to define the next hop in OSPF.
   In a nonbroadcast environment, the DR and BDR must be configured with a static list of the other routers attached to the cloud so that they can become neighbors and create adjacencies.
35) OSPF uses multicast addresses for updates. Which two of the following are the multicast addresses?

   224.0.0.2
   224.0.0.4
   224.0.0.6
   224.0.0.5
36) Which of the following criteria would select a route as the preferred path to be added to the routing table when there are multiple IP routing protocols running on the router?

   The route is the only availabe path.
   The route has the one interface configured for IP.
   The route has the lowest administrative distance.
   The route has the lowest metric.
37) Which of the following commands starts the EIGRP configuration process?

   router eigrp start
   router eigrp system name
   router ip eigrp as number
   router eigrp as number
38) When using a prefix list - what is the match criterion used?

   The first match
   The attribute name
   The match between ge and le
   All matches
39) Which two types of tables are maintained by BGP?

   BGP topology table.
   IP tables.
   BGP neighbors table.
   BGP attributes table.
40) What is displayed in the command "debug ip eigrp summary"?

   A summary of EIGRP activity
   A summary of the contents of the neighbor database
   The process taken when a change is made in a summary route
   A summary of the topology database
41) Which two of the following are key features of BGP?

   Periodic keepalives
   Periodic updates
   Poison reverse
   Triggered updates
42) Which two of the following statements are true about placing subnets into different areas?

   The "network" command used to assign interfaces and subnets to different areas can be configured on any OSPF router.
   The "network" command is used at the interface level to assign interfaces and their subnets into different areas.
   The "network" command uses the subnet mask to identify the portion of the address to consider in assigning areas.
   The "network: command uses a wildcard mask to identify the portion of the address to consider in assigning areas.
43) Which four of the following statements are true about administrative distance?

   Administrative distance is the mechansim used by the routing process to select a path offered by two or more different routing protocols.
   Administrative distance is a value given each IP routing protocol.
   Administrative distance can be manually configured.
   The path that is chosen will be the one offered by the routing protocol with the lowest administrative distance.
   The path that is chosen will be the one offered by the routing protocol with the highest administrative distance.
44) What is the term for a network design that is based on small individual areas making up one large network?

   Tree and branch
   Hierarchical routing
   OSPF star
   OSPF hub and spoke
   Wandering star
45) Which command is used to show the configured route maps?

   show ip route map
   show route-map
   show ip map
   show ip policy
46) There are many criteria used in selecting routes. These criteria are used in a certain order to ensure that the best decision has been made. Which of the following criteria is used first in the selection process?

   Longest match, that is, the route with the most specific subnet mask.
   Level 1 routes.
   Internal routes (within the autonomous system).
   Routes with ToS defined.
47) What is the definition of "feasible distance"?

   The distance from the local router to the destination.
   The distance from the web server to the mail server.
   The sum of the cost of the route from the next-hop to the next-hop.
   The distance from the firewall to the ISP.
48) Cisco identifies four main components to EIGRP. Select the two correct components listed below.

   Neighbor discovery
   SPF algorithm
   Areas
   RTP
49) Which three of the following packets are used by IS-IS?

   Hellos
   LSPs
   TVLs
   SNPS
50) Which three of the following fields are shown in the "show ip bgp neighbors" command?

   Neighbors
   The prefixes associated with each other
   State of the BGP connections
   The last time a message was read by an neighbor
51) Which two of the following are considered to be "classless" routing protocols?

   IS-IS
   OSPF
   RIP V1
   IGRP
52) What information is found in the routing table in order to process switch a packet?

   The address of the neighboring router that will forward the traffic.
   The MAC address of the remote network.
   The destination address of a static router.
   The path with the lowest administrative disance.
53) How are the services of the route map for redistribution called?

   The "route map" comand
   Under the incoming interface
   The "redistribution" command
   As a global configuration command
54) Which of the following is the cost between the local router and the destination network?

   advertised distance
   logical distance
   next-hop distance
   aggregate distance
   feasible distance
55) What is an internal router?

   An OSPF process running on a multilayer switch.
   When multiple OSPF processes are running on the same router, the internal router is responsible for managing the processes.
   A router responsible for maintaining a current and accurate database of every subnet within the area. All interfaces on this router are within the same area.
   A router running OSPF with no external links to another autonomous system.
56) When are full routing updates sent in BGP?

   At the beginning of each session
   When a fault is seen on the link
   Every 30 minutes
   At the startup of the BGP process
57) In a network running a link state routing protocol, every router will have which of the following?

   A localized routing table.
   An idential view of the network.
   A spanning tree.
   TCP connection with adjacent neighbors.
58) What does the acronym VLSM represent?

   Various-length subnetting mask
   Variable-length subnet mask
   Very long sustained mechanism
   Variable-length subnet mechanism
59) Which of the following subnet masks is the most optimized for providing six internet addresses?

   255.255.255.192
   225.255.255.248
   255.255.255.254
   255.255.255.255
   255.255.255.248
60) Which of the following could be problems that occur when using route redistribution?

   Routing loops
   Simple configuration
   suboptimal routing
   Optimal routing
   Faster convergence
61) Which of the following is true of a route reflector client?

   A client is a router than sends updates to the route reflector to be forwarded to other clients.
   A client is a router that receives updates from a route reflector.
   A client is a router that is configured and acts as a stub router.
   A client is a rouer that receives routes from an IGP.
62) Which two of the following BGP attributes are optional transitive?

   Aggregator
   Weight
   Community
   Cluster ID
   Originator ID
   AS Path
63) IS-IS and OSPF both use the backbone concept. OSPF uses Area 0 as the backbone number while IS-IS uses...?

   Area 0
   Area 1
   Area L2
   IS-IS does not use a backbone number.
   Area Range 1000-1999
64) EIGRP automatically redistributes into which two routing protocols?

   IGRP running the same AS number
   IGRP with any process ID
   EIGRP running the same AS number
   EIGRP with any process ID
65) Which three packet types are shown in the command "debug ip packet"?

   Discarded
   Received
   Generated
   Forwarded
66) Which three of the following techniques are used by a distance vector routing protocol?

   Count to infinity
   Poison reverse
   Split horizon
   Feasible successor
67) Which two of the following router type(s) can a Level-1 IS-IS router establish an adjacency?

   Any Level-1 IS in any area.
   Any Level-2 IS in any area.
   Any Level-2 IS in the same area.
   Any Level-1 IS in the same area.
   Any Level-1/Level-2 IS in the same area.
68) Which of the following represents subnet address 56.98.5.0/24 in binary format?

   00111010.01100110.00000101.00000000
   00111000.01100110.00000101.00000000
   00111000.01100010.00001001.00000000
   00111000.01100010.00000101.00000000
69) Which of the following is NOT considered to be a type of OSPF area?

   Normal
   Stub
   Totally Stub
   Not-So-Stubby
   No-So-Normal
70) How long is a IP V6 address?

   16 hexadecimal numbers
   32 decimal numbers
   128 bits
   32 bits
71) Which of the following commands will display the parameters of the routing protocols active on the router?

   show ip protocols
   show ip route protocols
   show protocols
   show route protocols
72) Which three of the following events are shown by the "debug ip ospf events" command?

   Adjacencies
   Designated router selection
   Virtual links
   SPF calculation
73) Which two of the following would trigger the topology table to recalculate?

   LSP received
   SRT packet received
   A new router coming online
   Link loss detected
74) Which of the following is a function of a Level-2 IS-IS router?

   To locate the destination with an area
   To route traffic between areas
   To route traffic between Level 1-2 routers
   To maintain the database
75) What does the acronymn NBMA represent?

   Nonbroadcast multiadjacencies.
   Nonbroadcast multiaccess.
   Nonbreachable multidigest.
   Nonbackup multiarea.

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