Questions

1. What is the size of the Shared Memory area of this Router based on the following output? (Select the best answers.)

Router#sh ver Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3620-DS-M), Version ..
11.3(6), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-1998 by Cisco Systems, Inc
Compiled Wed 07-Oct-98 10:12 by kpma
Image text-base: 0x600088E0, data-base: ...
0x60774000
ROM: System Bootstrap, Version 11.1(7)AX ...
[kuong (7)AX], EARLY DEPLOYMENT RELEASE ...
+B26 SOFTWARE (fc2)
Router uptime is 1 hour, 56 minutes
System restarted by power-on
System image file is ...
"flash:c3620-ds-mz_113-6.bin", ...
booted via flash Cisco 3620 (R4700) processor (revision 0x81) ...
with 18432K/6144K bytes of memory. Processor board ID 03061087
R4700 processor, Implementation 33, Revision ...
1.0
Bridging software.
X.25 software, Version 3.0.0.
Basic Rate ISDN software, Version 1.0.
1 Ethernet/IEEE 802.3 interface(s)
1 Token Ring/IEEE 802.5 interface(s)
1 Serial network interface(s)
1 ISDN Basic Rate interface(s)
DRAM configuration is 32 bits wide with ...
parity disabled.
29K bytes of non-volatile configuration ...
memory. 4096K bytes of processor board System flash ...
(Read/Write) 4096K bytes of processor board PCMCIA Slot1 ...
flash (Read/Write)
Configuration register is 0x2102

A. 4096k

B. 29k

C. 18432k

D. 6144k

E. Cannot tell from the "Show Version" command.

2. Refer to the configuration below. The additional command that must be issued for ISDN to be successfully configured is __________. (Note: No parameters are required)

 

central#sh run
Building configuration...
Current configuration:
!
version 11.3
no service password-encryption
!
hostname central
!
interface Serial0
no ip address
no ip mroute-cache
shutdown
!
interface Serial1
no ip address
shutdown
!
interface Serial2
no ip address
shutdown
!
interface Serial3
no ip address
shutdown
!
interface TokenRing0
no ip address
shutdown
!
interface BRI0
ip address 150.100.10.1 255.255.255.0
dialer map ip 150.100.10.72 name easyip ...
8358662
dialer-group 1
isdn spid1 0835866101
isdn spid2 0835866301
!
router rip
network 150.100.0.0
!
ip classless
ip route 0.0.0.0 0.0.0.0 150.100.10.72
dialer-list 1 protocol ip permit
!
line con 0
line aux 0
line vty 0 4
login
!
end

A. isdn switch-type

B. 0x8137

C. 0x0404

D. 0x4040

E. 0x0700

F. 0x0800

3. Which command would reveal CPU utilization information?

A. show stacks

B. show controllers

C. show version

D. show util

E. show processes

 

4. Where may a remote loopback be performed?

A. at Router_A

B. at Router_B

C. at a CSU/DSU

D. a remote loopback must be performed by the service provider

5. Which three of the following tools make up the Bug Toolkit?

A. Bug Navigator

B. Bug Eliminator

C. Bug Watcher

D. Bug Finder

E. Bug Alert

6. Which one of the following commands would be used to verify the correct SPID configuration?

A. debug dialer

B. debug spid

C. sh isdn stat

D. debug bri

E. sh int bri

 

7. What is the command to upgrade the router's IOS image?

A. copy ios flash

B. copy tftp flash

C. copy flash tftp

D. copy tftp run

 

8. Which of the following fields would not be found in a UDP header?

A. 16-bit source port

B. 16-bit destination port

C. 8-bit protocol id

D. 16-bit length

E. 16-bit checksum

 

Answers

1) Answer: C. The value to the right is the total amount of RAM in this router while the 6144k indicates the amount of memory allocated to Packet Buffers, or what is commonly referred to as "Shared Memory."

2) Answer: F. The type code for an IP Datagram or Packet is 0x0800. For a listing of common type codes, refer to the Cisco CD Documentation.

4) Answer: D. A remote loopback is performed remotely, as opposed to locally, by the service provider.

5) Answer: A, C, E. Be sure to understand the elements of the Bug toolkit and how each of these components can be used.

6) Answer: C.

7) Answer: B. Run-from-flash routers, like the 2500, will reboot twice to perform an IOS upgrade.

8) Answer: C. The 8-bit protocol field is found in the IP header.

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