1 As system administrator, you type "debug ipx sap" and receive the following lines
as part of the IOS response: type 0x4, "HELLO2", 199.0002.0003.0006 (451),
2 hops
type 0x4, "HELLO1", 199.0002.0003.0008 (451), 2 hops What does "0x4" signify?
• A. That is a Get Nearest Server response.
• B. That it is a General query.
• C. That it is a General response.
• D. That it is a Get Nearest Server request.
Ans A
2 To monitor IP igrp traffic, you can use "debug IP igrp transaction" or "debug IP
igrp events". How do you display information about IPX routing update packets?
• A. debug routing
• B. debug ipx transaction
• C. debug ipx routing activity
• D. debug ipx events
Ans: C
3 To monitor ipx traffic on a network, what command would you use?
• A. debug ipx transaction
• B. show ipx traffic
• C. show ipx events
• D. display ipx traffic
Ans B
4 What command would you use to find out the names of Novell servers on a
network?• A. show ipx servers
• B. show ipx hosts
• C. show ipx sap
• D. show ipx nodes.
Ans A
5 The "ipx delay number" command will allow an administrator to change the
default settings. What are the default settings?
• A. For LAN interfaces, one tick; for WAN interfaces, six ticks
• B. For LAN interfaces, six ticks; for WAN interfaces, one tick
• C. For LAN interfaces, zero ticks; for WAN interfaces, five ticks
• D. For LAN interfaces, five ticks; for WAN interfaces, zero Ticks
Ans A
The default is--for LAN interfaces, one tick; for WAN interfaces, six ticks
6 As a system administrator, you need to set up one Ethernet interface on the Cisco
router to allow for both sap and Novell-ether encapsulations. Which set of
commands will accomplish this?
• A. interface ethernet 0.1 ipx encapsulation Novell-ether ipx network 9e interface
ethernet 0.2 ipx network 6c
• B. interface ethernet 0 ipx encapsulation Novell-ether ipx network 9e interface
ethernet 0 ipx encapsulation sap ipx network 6c
• C. interface ethernet 0.1 ipx encapsulation Novell-ether interface ethernet 0.2 ipx
encapsulation sap
• D. interface ethernet 0.1ipx encapsulation Novell-ether ipx network 9e interface
ethernet 0.2 ipx encapsulation sap ipx network 6c
Ans D
The following commands setup the subinterfaces to allow for two types of encapsulation:
interface ethernet 0.1 ipx encapsulation Novell-ether ipx network 9e interface ethernet
0.2 ipx encapsulation sap ipx network 6c
7 What does the "IPX maximum-paths 2" command accomplish?
• A. It enables load sharing on 2 paths if the paths are equal metric paths. • B. It sets up routing to go to network 2.
• C. It is the default for Cisco IPX load sharing.
• D. It enables load sharing on 2 paths if the paths are unequal metric paths.
Ans A
It enables load sharing on 2 paths if the paths are equal metric paths. The default is 1 path
and the maximum is 512 paths.
8 You want to enable both arpa and snap encapsulation on one router interface.
How do you do this?
• A. The interface can handle multiple encapsulation types with no extra
configuration.
• B. Assign two network numbers, one for each encapsulation type.
• C. Enable Novell-ether to run multiple encapsulation types.
• D. Both arpa and snap are enabled by default so you don't have to configure
anything.
Ans B
To assign multiple network numbers, you usually use subinterfaces. A sample
configuration follows: ipx ethernet 0.1 ipx encapsulation novell-ether ipx network 9e
interface ethernet 0.2 ipx encapsulation sap ipx network 6c
By default, Cisco routers forward GNS SAPs to remote networks.
• A. False
• B. True
Ans A
GNS is Novell's protocol to Get Nearest Server. If there is a server on the local network,
that server will respond. If there isn't, the Cisco router has to be configured to forward the
GNS SAP.
9 To prevent Service Advertisements (SAPs) from flooding a network, Cisco routers
do not forward them. How are services advertised to other networks?
• A. Each router builds its own SAP table and forwards that every 60 seconds.
• B. Each router assigns a service number and broadcasts that.
• C. SAPs aren't necessary with Cisco routers. • D. Cisco routers filter out all SAPs.
Ans: A
Cisco routers build SAP tables and forward the table every 60 seconds. All SAPs can't be
filtered even with 4.x since NDS and time synchronization uses SAPs.
10 Novell's implementation of RIP updates routing tables every ____ seconds.
• A. 60
• B. 90
• C. 10
• D. 30
Ans A
Novell's RIP updates routing tables every 60 seconds, Apple's RTMP is every 10
seconds, routers ARP every 60 seconds, IGRP signal every 90 seconds, and Banyan
VINES signals every 90 seconds.
CCNA Interview Questions Page 2
11 In Novell's use of RIP, there are two metrics used to make routing decisions.
Select the two metrics.
A. Ticks.
B. Hops
C. Loops
D. Counts
Ans:A &B
It first uses ticks (which is about 1/18 sec.); if there is a tie, it uses hops; if hops are equal,
then it uses an administratively assigned tiebreaker.
12 What is the Cisco name for the encapsulation type used on a serial interface?
A. HDLC
B. SDLC
C. SAP
D. SNAP Ans A
13 "arpa" is used by the Cisco IOS for which encapsulation types?
A. Ethernet_II
B. Ethernet_802.3
C. Ethernet_802.2
D. Ethernet_SNAP
Ans A
Novell's IPX and Cisco's IOS name their protocols differently. Cisco uses sap for
Ethernet_802.2, Token-Ring, and Novell's FDDI_802.2. Cisco uses snap for
Ethernet_SNAP, Token-Ring_SNAP, and FDDI_SNAP. Cisco uses arpa for Ethernet_II
and, finally the default is Novell-ether for Novell's Ethernet_802.3.
14 "snap" is used by the Cisco IOS for which encapsulation types?
A. Ethernet_SNAP
B. Token-Ring_SNAP
C. FDDI_SNAP
D. Novell-SNAP
E. Novell-FDDI.
Ans: A,B &C Novell's IPX and Cisco's IOS name their protocols differently. Cisco uses
sap for Ethernet_802.2, Token-Ring, and Novell's FDDI_802.2. Cisco uses snap for
Ethernet_SNAP, Token-Ring_SNAP, and FDDI_SNAP. Cisco uses arpa for Ethernet_II
and, finally the default is Novell-ether for Novell's Ethernet_802.3.
15"sap" is used by the Cisco IOS for which encapsulation types?
A. Ethernet_802.2
B. Token-Ring
C. FDDI_SNAP
D. Ethernet_802.3
E. FDDI_802.2
Ans A,B &E
Novell's IPX and Cisco's IOS name their protocols differently. Cisco uses sap for
Ethernet_802.2, Token-Ring, and Novell's FDDI_802.2. Cisco uses snap for
Ethernet_SNAP, Token-Ring_SNAP, and FDDI_SNAP. Cisco uses arpa for Ethernet_II and, finally the default is Novell-ether for Novell's Ethernet_802.3.
16 Which type of Ethernet framing is used for TCP/IP and AppleTalk?
A. Ethernet 802.3
B. Ethernet 802.2
C. Ethernet II
D. Ethernet SNAP
Ans D
Ethernet 802.3 is used with NetWare versions 2 through 3.11, Ethernet 802.2 is used with
NetWare 3.12 and later plus OSI routing, Ethernet II is used with TCP/IP and DECnet,
and Ethernet SNAP is used with TCP/IP and AppleTalk.
17 Which type of Ethernet framing is used for TCP/IP and DECnet?
A. Ethernet 802.3
B. Ethernet 802.2
C. Ethernet II
D. Ethernet SNAP
Ans: C
Ethernet 802.3 is used with NetWare versions 2 through 3.11, Ethernet 802.2 is used with
NetWare 3.12 and later plus OSI routing, Ethernet II is used with TCP/IP and DECnet,
and Ethernet SNAP is used with TCP/IP and AppleTalk.
18 You are a system administrator on a NetWare network, you are running
NetWare 4.11 and you cannot communicate with your router. What is the likely
problem?
A. NetWare 4.11 defaults to 802.2 encapsulation.
B. NetWare 4.11 defaults to 802.3 encapsulation
C. Cisco routers only work with NetWare 3.11.
D. NetWare 3.11 defaults to 802.2 encapsulation.
Ans A
The default encapsulation on Cisco routers is Novell Ethernet_802.3 and NetWare 3.12
and later defaults to 802.2 encapsulation, 3.11 and earlier defaults to 802.3.
19 NetWare IPX addressing uses a network number and a node number. Which
statements are true?A. The network address is administratively assigned and can be up to 16 hexadecimal
digits long.
B. The node address is always administratively assigned.
C. The node address is usually the MAC address.
D. If the MAC address is used as the node address, then IPX eliminates the use of ARP.
Ans A, C &D
The network address can be up to 16 hexadecimal digits in length. The node number is 12
hexadecimal digits. The node address is usually the MAC address. An example IPX
address is 4a1d.0000.0c56.de33. The network part is 4a1d. The node part is
0000.0c56.de33. The network number is assigned by the system administrator of the
Novell network.
20 Which NetWare protocol works on layer 3--network layer—of the OSI model?
A. IPX
B. NCP
C. SPX
D. NetBIOS
Ans A
IPX (Internetwork Packet Exchange) is a NetWare network layer 3 protocol used for
transferring information on LANs.
CCNA Interview Questions Page 3
21 Which NetWare protocol provides link-state routing?
• A. NLSP
• B. RIP
• C. SAP
• D. NCP
Ans: A
NetWare Link Services Protocol (NLSP) provides link-state routing. SAP (Service
Advertisement Protocol) advertises network services. NCP (NetWare Core Protocol)
provides client-to-server connections and applications. RIP is a distance vector routing
protocol. 22 As a system administrator, you want to debug igrp but are worried that the
"debug IP igrp transaction" command will flood the console. What is the command
that you should use?
• A. debug IP igrp event
• B. debug IP igrp-events
• C. debug IP igrp summary
• D. debug IP igrp events
Ans D
The "debug IP igrp events" is used to only display a summary of IGRP routing
information. You can append an IP address onto either command to see only the IGRP
updates from a neighbor.
23 What does the following series of commands accomplish? router igrp 71 network
10.0.0.0 router igrp 109 network 172.68.7.0
• A. It isolates networks 10.0.0.0 and 172.68.7.0.
• B. It loads igrp for networks 109 and 71.
• C. It disables RIP.
• D. It disables all routing protocols.
Ans A
It isolates network 10.0.0.0 and 172.68.7.0 and associates autonomous systems 109 and
71 with IGRP. IGRP does not disable RIP, both can be used at the same time.
24 In the command "router igrp 109" what does 109 signify?
• A. an autonomous system
• B. any network number which the router is attached to
• C. the allowable length of the routing table
• D. the network socket number
Ans A
The Cisco IOS global configuration command "router igrp xxx" is used to configure the
Interior Gateway Routing Protocol. In this case, the 109 is called the process-id , which
can also be used for an autonomous system number.
25 IGRP supports a feature that allows traffic to be distributed among up to 6 (4 default) paths to provide greater overall throughput and reliability. What is this
called?
• A. unequal-cost load balancing
• B. equal-cost load balancing
• C. proportionate load balancing
• D. low cost load balancing
Ans A
An unequal-cost load balancing is used to provide alternate paths for data distribution on
an internetwork. Cisco developed this method to use unused or under utilized links to
increase bandwidth and network availability.
26 IGRP uses flash updates, poison reverse updates, holddown times, and split
horizon. How often does it broadcast its routing table updates?
• A. 90 seconds
• B. 10 seconds
• C. 30 seconds
• D. 45 seconds
Ans A
27 The command "show IP protocol" displays which information?
• A. routing timers
• B. network information
• C. contents of the IP routing table
• D. information about all known network and subnetworks
Ans A & B
"show IP protocol" displays routing timers and network information. "show IP route"
displays the routing table with information about all known networks and subnetworks.
28 When using RIP, routing updates are broadcast every ____ seconds.
• A. 30
• B. 10
• C. 60 • D. 90
Ans: A
Novell's RIP updates routing tables every 60 seconds, Apple's RTMP is every 10
seconds, routers ARP every 60 seconds, DECnet hosts and IGRP signal every 15
seconds, and Banyan VINES signals every 90 seconds.
29 An autonomous system can only exist if all routers in that system meet which
criteria?
• A. interconnected
• B. run the same routing protocol
• C. assigned same autonomous system number
• D. run IGRP only
• E. run RIP only
Ans A,B &C
An autonomous system is a set of routers and networks under the same administration.
Each router must be interconnected, run the same routing protocol, and assigned the same
autonomous system number. The network Information Center (NIC) assigns a unique
autonomous system number to enterprises.
30 A default route is analogous to a _________.
• A. default gateway
• B. static route
• C. dynamic route
• D. one-way route
Ans: A
A default route is analogous to a default gateway. It is used to reduce the length of
routing tables and to provide complete routing capabilities when a router might not know
the routes to all other networks.
31 Routers can learn about destinations through static routes, default, or dynamic
routing. By default, a router will use information derived from __________.
• A. IGRP • B. RIP
• C. IP
• D. TCP
Ans A
The quality of information is rated:
• Connected interface 0
• Static route 1
• IGRP 100
• RIP 120
• Unknown 255
The lower the value, the more reliable the source with 255 signifying information that the
router will ignore. So, the router will use IGRP, rated at 100, before RIP, rated at 120.
32 You are logged into a router, what command would show you the IP addresses of
routers connected to you?
• A. show cdp neighbors detail
• B. show run
• C. show neighbors
• D. show cdp
Ans A
33 As a system administrator, you perform an extended ping at the privileged
EXEC prompt. As part of the display, you see "Set DF bit in IP header? [yes] :"
What would happen if you answered no at the prompt.
• A. This lets the router fragment the packet.
• B. It tells the router not to fragment the packet.
• C. This lets the router direct the packet to the destination it finds in its routing
table.
• D. It tell the router to send the packet to the next hop router
Ans A
"Set DF bit in IP header?" is a response to an extended ping at the router. If you answer yes (the default) the router will not fragment the packet. If you answer no, the router will
fragment the packet.
34 You have typed "ping" 172.16.101.1 and get the following display: Type escape
sequence to abort. Sending 5, 100-byte ICMP Echoes to 172.16.101.1, timeout is 2
seconds:
.!!!!
What does the "." signify?
• A. That one message timed out.
• B. That all messages were successful.
• C. That one message was successful.
• D. That one message completed in under the allotted timeframe.
Ans A
The possible responses from the ping command are: ! Successful receipt of an echo reply.
Timed out waiting for a reply U Destination unreachable C Congestion-experienced
packet I Ping interrupted ? Packet type unknown & Packet TTL exceeded
35 Which command, that is used to test address configuration, uses Time-To-Live
(TTL) values to generate messages from each router.
• A. trace
• B. ping
• C. telnet
• D. bootp
Ans: A
The Cisco IOS EXEC command "trace [protocol] [destination]" is used to discover routes
that packets will travel to their destination hosts. Trace uses TTL (Time to Live) values to
report destination route information.
36 What does the command "IP name-server 255.255.255.255" accomplish?
• A. It sets the domain name lookup to be a local broadcast.
• B. This is an illegal command.
• C. It disables domain name lookup. • D. The command is now defunct and has been replaced by "IP server-name ip
any"
Ans A
By default DNS is enabled on a router with a server address of 255.255.255.255, which
provides for a local broadcast.
37 As a system administrator, you need to provide your routers with a Domain
Name System (DNS) server. How many DNS servers can you specify with one
command?
• A. 6
• B. 1
• C. 2
• D. 4
Ans A
You can only specify six name servers in one command. The syntax is "IP name-server
server-address1 [[ server-address2 ]...server-address6]. You must also enable
DNS.
38 How would you configure one host name that points to two IP addresses?
• A. IP host jacob 1.0.0.5 2.0.0.8
• B. IP jacob 1.0.0.5 2.0.0.8
• C. IP host jacob 1.0.0.5
• D. IP host duplicate "all"
Ans A
The correct syntax is IP host name [ TCP-port-number ] address [ address ]..... So, "IP
host P1R1 1.0.0.5 2.0.0.8" is the correct choice. "IP host jacob 1.0.0.5" only points the
host name jacob to one IP address--1.0.0.5.
39 The following selections show the command prompt and the configuration of the
IP network mask. Which two are correct?
• A. Router#term IP netmask-format { bitcount | decimal | hexadecimal }
• B. Router(config-if)#IP netmask-format { bitcount | decimal | hexadecimal }
• C. Router(config-if)#netmask-format { bitcount | decimal | hexadecimal } • D. Router#ip netmask-format { bitcount | decimal | hexadecimal }
Ans A & B
Router#term IP netmask-format { bitcount | decimal | hexadecimal } and Router(configif)#IP
netmask-format { bitcount | decimal | hexadecimal } are correct. You can configure
the mask for the current session and you can configure it for a specific line.
40 When configuring the subnet mask for an IP address, which formats can be
used?
• A. dotted-decimal.
• B. Hexadecimal
• C. Bit-count
• D. Octal
• E. Binary
Ans A, B
41 You are given the following address: 153.50.6.27/25. Determine the subnet mask,
address class, subnet address, and broadcast address.
A. 255.255.255.128, B,153.50.6.0, 153.50.6.127
B. 255.255.255.128, C,153.50.6.0, 153.50.6.127
C. 255.255.255.128, C,153.50.6.127, 153.50.6.0
D. 255.255.255.224, C,153.50.6.0, 153.50.6.127
Ans A
42 You are given the following address: 128.16.32.13/30. Determine the subnet mask,
address class, subnet address,
and broadcast address.
A. 255.255.255.252, B,128.16.32.12, 128.16.32.15
B. 255.255.255.252, C,128.16.32.12, 128.16.32.15
C. 255.255.255.252, B,128.16.32.15, 128.16.32.12
D. 255.255.255.248, B,128.16.32.12, 128.16.32.15
Ans A
43 You are given the following address: 15.16.193.6/21. Determine the subnet mask,
address class, subnet address,
and broadcast address.
A. 255.255.248.0, A, 15.16.192.0, 15.16.199.255
B. 255.255.248.0, B, 15.16.192.0, 15.16.199.255
C. 255.255.248.0, A, 15.16.199.255, 14.15.192.0
D. 255.255.242.0, A, 15.16.192.0, 15.16.199.255
Ans A
44 You have an IP host address of 201.222.5.121 and a subnet mask of 255.255.255.248. What is the broadcast address?
A. 201.222.5.127
B. 201.222.5.120
C. 201.222.5.121
D. 201.222.5.122
Ans A
The easiest way to calculate this is to subtract 255.255.255.248 (subnet mask) from
255.255.255.255, this
equals 7. Convert the address 201.222.5.121 to binary--11001001 11011110 00000101
01111001. Convert the
mask 255.255.255.248 to binary--11111111 11111111 11111111 11111000. AND them together
to get: 11001001 11011110
00000101 01111000 or 201.222.5.120. 201.222.5.120 is the subnet address, add 7 to this
address for 201.222.5.127 or
the broadcast address. 201.222.5.121 through 201.222.5.126 are the valid host addresses.
45 Given the address 172.16.2.120 and the subnet mask of 255.255.255.0. How many hosts
are available?
A. 254
B. 510
C. 126
D. 16,372
Ans A
172.16.2 120 is a standard Class B address with a subnet mask that allows 254 hosts. You are a
network administrator and have been assigned the IP address of 201.222.5.0. You need to have
20 subnets with 5 hosts per subnet. The subnet mask is 255.255.255.248.
46 Which addresses are valid host addresses?
A. 201.222.5.17
B. 201.222.5.18
C. 201.222.5.16
D. 201.222.5.19
E. 201.222.5.31
Ans A,B & D
Subnet addresses in this situation are all in multiples of 8. In this example, 201.222.5.16 is the
subnet, 201.22.5.31 is the broadcast address. The rest are valid host IDs on subnet
201.222.5.16.
47 You are a network administrator and have been assigned the IP address of 201.222.5.0.
You need to have 20 subnets with
5 hosts per subnet. What subnet mask will you use?
A. 255.255.255.248
B. 255.255.255.128
C. 255.255.255.192
D. 255.255.255.240
Ans A
By borrowing 5 bits from the last octet, you can. have 30 subnets. If you borrowed only 4 bits you
could only have 14 subnets. The formula is (2 to the power of n)-2. By borrowing 4 bits, you have
(2x2x2x2)-2=14. By borrowing 5 bits, you have (2x2x2x2x2)-2=30. To get 20 subnets, you would
need to borrow 5 bits so the subnet mask would be 255.255.255.248.
48 You are given the IP address of 172.16.2.160 with a subnet mask of 255.255.0.0. What is the network address in binary?
A. 10101100 00010000
B. 00000010 10100000
C. 10101100 00000000
D. 11100000 11110000
Ans: A
To find the network address, convert the IP address to binary--10101100 000100000 00000010
10100000--then ANDed it with the subnet mask--11111111 11111111 00000000 00000000. The
rest is 10101100 00010000 00000000 00000000, which is 172.16.0.0 in decimal.
The first octet rule states that the class of an address can be determined by the numerical value
of the first octet.
49 Which addresses are INCORRECTLY paired with their class?
A. 128 to 191, Class B
B. 192 to 223 Class B
C. 128 to 191, Class C
D. 192 to 223, Class C
Ans B & C
Address classes are: 1 to 126, Class A; 128 to 191, Class B, 192 to 223, Class C; 224 to 239,
Class D; and
240 to 255, Class E. The first octet rule states that the class of an address can be determined by
the numerical value of the first octet.
50 Which addresses are INCORRECTLY paired with their class?
A. 1 to 126, Class A
B. 128 to 191, Class A
C. 1 to 126, Class B
D. 128 to 191, Class B
Ans:B & C.
Address classes are: 1 to 126, Class A; 128 to 191, Class B, 192 to 223, Class C; 224 to 239,
Class D; and
240 to 255, Class E. The first octet rule states that the class of an address can be determined by
the numerical value of the first octet
CCNA Interview Questions Page 6
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