1.) What is the principle difference between custom queuing and

weighted-fair queuing ?
 

 

2.) Which of the following is true ?

( ) X25 is a Datalink protocol, but routers use it as a network

protocol

( ) X25 is connectionless and unreliable

( ) X25 uses sliding window flow control for each VC

( ) X25 is a reliable network-layer-protocol and operates over an

unreliable datalink layer
 
 

3.) Autoinstall over serial lines requires what command ?

( ) ip redirect

( ) ip helper address

( ) ip default-network

( ) encapsulation Frame Relay
 
 

4.) Repeater, Hubs and Concentrators are found on which

osi-layer?

( ) datalink layer

( ) physical layer

( ) network layer

( ) higher layers than network layer
 
 

5.) IPX RIP updates every _____ seconds ? 30, 60, 90 ?

( ) 30 seconds

( ) 60 seconds

( ) 90 seconds
 
 

6.) What's wrong with the following IP host address:

167.145.2.251 255.255.255.252
 

 

7.) Distance-Vector Routing Protocols are also known as:

( ) garcia-luna-algorithm

( ) dijkstra algorithm

( ) bellman-ford-algorithm

( ) tdm-algorithm
 
 

8.) Identify two important differences between OSPF and EIGRP and

for each difference, describe why it is important ?
 
 
 

9.) Whats true about the DUAL algorithm ?

( ) used to be the former algorithm for IGRP

( ) is the recent algorithm for EIGRP

( ) is used with any Dijekstra-Protocols
 
 

10.) Whats true about the following password: "21 hello"

( ) a legal enable password

( ) an illegal VTY-password

( ) can't be used as password at all
 
 

11.) Which are the currently defined encryption types for

usernames ?

( ) 0 through 7

( ) 0 through F

( ) 0 , 7

( ) none of above
 
 

12.) What's the list range for 48-Bit-Macaddress-Filtering ?

( ) depends on the used protocol

( ) 800 - 899

( ) 700 - 799

( ) none of above
 
 

13.) What does "floating static route" mean ?

( ) a new feature planned for future IOS-releases

( ) allows static routes to be overridden by dynamically learned

route

( ) when dynamic routing fails for any reason, the preconfigured

static route takes presedence
 
 

14.) What's the default timeout for line console ?

( ) 10 minutes

( ) 15 minutes

( ) 20 minutes
 
 
 

15.) What disables fast switching in IPX ?

( ) no decnet switching

( ) no ipx fast-switching

( ) no ipx route cache
 
 

16.) HDLC is:

( ) an ISO-standardized protocol and serial interfaces default

( ) IBMs pseudo-standard

( ) Cisco proprietary and serial default
 
 
 
 

17.) DSAP and SSAP value of 0xE0. It is:

( ) a corrupt frame

( ) an apple phase 1 frame

( ) a novell 802.2 frame
 
 

18.) Let's say you have forgotten which telnet sessions are

outstanding, or the connection order, you do what ?

( ) power off the router

( ) use the command: display sessions

( ) type: show sessions
 
 

19.) Which command gives information about programs that are

running in the router ?

( ) debug

( ) sh prot

( ) show processes CPU

( ) sh contr
 
 

20.) Which of the following is true ?

( ) in one autonomous system a rip-cloud is not possible

( ) a rip-cloud in an autonomous system is allowed if it's the

only one

( ) rip clouds in the same autonomous system are legal

( ) rip cloud and AS don't fit together
 
 

21.) What's the default IPX-encapsulation on a Cisco

Ethernet-interface in Novell-syntax:

( ) novell-ether

( ) Ethernet_802.2

( ) Ether_SNAP

( ) Ethernet_802.3
 
 

22.) What`s the max size of an AS ?

( ) 16 bit

( ) 24 bit

( ) 32 bit
 
 

23.) How much dynamic IP-routing processes can a cisco-router

handle simultanously ?

( ) up to 8

( ) up to 64

( ) up to 30

( ) up to 2
 
 

24.) Routers learn about networks by what means:

( ) Directly connected networks

( ) Static routes

( ) Dynamic routing Protocols

( ) Address Resolution Protocol

( ) Internet Control Message Protocol
 
 

25.) Which of the following is true ?

( ) DV protocols have a better convergence than LS-protocols

( ) LS-protocols do not scale well

( ) LS protocols converge faster and scale better
 
 

26.) What's the ratio for header-compression in TCP/IP ?

( ) 2:1 or 3:1 ratio

( ) 10:1 or 8:1 ratio

( ) 4:1 or 5:1 ratio
 
 

27.) Which of the following is not true about administrative

distance integer values ?

( ) Static: 1, BGP route: 20, IGRP route: 100, OSPF route: 110

( ) RIP route: 120, Static: 100

( ) IGRP route: 100, RIP route: 120
 
 

28.) What`s "bit splitting" when subnetting ?

( ) splitting the bit difference to determine the subnetmask

after careful estimation of number of hosts and subnets

( ) the process of "borrowing" bits from the host portion

( ) assigning as much bits at each end of the locally assigned

bits for hosts and subnets so that overlapping takes place
 
 

29.) List two classful routing protocols:
 
 
 

30.) What's not true about distance vector routing ?

( ) routers pass routing information gathered from neighbors

( ) routers tell peers about directly connected links

( ) routers exchange their whole routing table
 

 

31.) What's the IP multicast address for a designated OSPF

router to communicate with all adjacent routers ?

( ) 224.0.0.5

( ) 224.0.0.6

( ) 224.0.0.7
 
 

32.) Which of the following is not true about IP routing

protocols ?

( ) OSPF uses IP protocol number 89; RIP uses UDP port 514; IGRP

is IP protocol 9

( ) OSPF uses UDP port 524, RIP port 514, IGRP port 516

( ) OSPF is IP protocol 98; IGRP is protocol 9

( ) all of above is not true
 
 

33.) Which is true about Backup Designated Routers in OSPF ?

( ) it takes over if the DR fails. If the DR comes back up, the

BDR does not switch back to the DR

( ) it takes over if the DR fails. If the DR comes back up, the

BDR does switch back to the DR

( ) OSPF does not support BDRs
 
 

34.) What's the bit size of the RIP metric ?

( ) 8 bit

( ) 16 bit

( ) 4 bit

( ) 32 bit
 
 

35.) How many networks fit into one IP RIP packet ?

( ) 4

( ) 8

( ) 24

( ) 25

( ) 50
 
 

36.) How many IGRP route informations fit in one Ethernet MTU ?

( ) 15

( ) 25

( ) 52

( ) 104
 
 

37.) How do you configure an OSPF area border router if optimized

routing is required ?

( ) configure route summarization

( ) change hello timers to 255

( ) use "no ospf name-lookup"
 

 

38.) How many networks fit in one IPX RIP packet ?

( ) 15

( ) 25

( ) 52

( ) 50
 
 

39.) What's wrong with this IP host address:

192.1.2.1 255.255.255.252
 
 
 

40.) What's the normal convergence time in EIGRP ?

( ) normally 2 seconds; worst case 16 seconds

( ) normally 10 seconds; worst case 30 seconds

( ) best case 280 seconds; worst case 400 seconds
 
 

41.) By using TCP header compression, which of the following

is true ?

( ) 80-byte TCP headers are compressed to 15 bytes

( ) 40-byte TCP/IP headers are compressed to 5 bytes

( ) TCP headers are compressed to 1 byte, payload is 1 byte
 
 

42.) What kind of compression should be used with packet-switched

carrier services ?

( ) link compression, but also the others, if you can

( ) payload compression only

( ) "stuff those suckers" - philosophy
 
 

43.) How many SAP entries fit in one 600 byte packet ?

( ) 3

( ) 7

( ) 25
 
 

44.) Whats a good design rule for large scale networks ?

( ) keep unwanted user traffic from the backbone

( ) filtering must be done on backbone routers because they

are most powerful

( ) using non-hierarchical design supports redundancy
 
 

45.) Given a Class B address of 144.150.0.0. We need today

25 subnets with 100 hosts in each subnet. Rapid growth

is expected for the future. Develop a subnet mask using

ip bit splitting:
 
 

46.) Now, let's say we plan to run OSPF in 5 areas with 5

subnets each. How would you locate the subnets if full

route aggregation needs to be achieved ?

(List the 5 subnets for each area)

Area 0 Area 10 Area 20 Area 30 Area 40
 
 
 

47.) Which of the following about PPP is TRUE ?

( ) The originating PPP station first sends LCP frames to

configure and (optionally) test the data link

( ) The originating PPP stations first sends NCP frames to

choose and configure network-layer protocols

( ) PPP can operate across EIA/TIA-232 only
 
 
 
 

48.) LLC-Type 1 communications are ?

( ) connection-oriented

( ) connectionless

( ) connectionless acknowledged
 
 

49.) Which of the following about TCP is true ?

( ) From a troubleshooting point-of-view, TCP troubleshoots

itself, because it can recover from errors

( ) It is fast because it has no overhead and no windowing

( ) It does neither need sequencing nor acknowledgements
 
 

50.) What does a value of 0x0806 in an ethernet type field mean ?

( ) a novell proprietary frame

( ) a dec arp

( ) an IP ARP
 
 

51.) Describe the so-called "Novell Raw" frame format:
 

 

52.) Cisco's CDP uses which frame format ?

( ) 802.2 LLC

( ) 802.3 without 802.2 header

( ) 802.3 with SNAP

( ) Ethertype
 
 
 
 

53.) Which of the following about CDP is TRUE ?

( ) it is a datalink layer protocol and can't be routed

( ) it is a routing protocol

( ) it is a routing protocol bound to the datalink layer
 
 

54.) The test character "U" that is displayed in ping responses

( ) means Destination unreachable

( ) means receipt of a reply

( ) means time out while waiting for a reply
 
 

55.) How can you terminate an ongoing unsuccessful trace ?
 

 

56.) Which of the following about an IPX PING is TRUE ?

( ) you cannot ipx ping a router from itself except on

Cisco 7000 routers

( ) you can ping ipx from a router to a novell client

( ) you can ping ipx from router to router and router to

servers
 
 
 

58.) passive-interface is a __________ command ?

( ) interface config command

( ) global config command

( ) line config command

( ) router config command

59.) Briefly describe redistribution
 

60.) Distribute list uses which list ranges ?

( ) 1 - 99

( ) 100 - 199

( ) any list range
 
 

61.) What does the SH TECH-SUPPORT command do ?
 
 
 

62.) If you passed this test what do you think you are ?