|
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?
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?
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(config-if)#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 &C |
