Cisco Online Test

1. What protocol is assigned to port numbers 20 and 21?

DNS

Telnet

FTP

SMTP

2. Which cable consists of a single copper wire surrounded by a plastic insulation cover and a braided copper shield?

Coaxial cable

UTP

STP

Category 5 cable

3. What information can DHCP provide to clients?

IP information

DNS information

Gateway information

All the above

4. A Traffic light is an example of flow control. Windowing is a type of?

Negative acknowledgement

Address resolution

Layer transition mechanism

Flow control

5. At what layer of the OSI model do you find sequence numbers?

Application

Presentation

Session

Transport

6. Which of the following is a digital-interface device used to connect a router to a digital circuit like a T1?

A channel service unit/digital service unit (CSU/DSU)

A DTE

An Ethernet card

None of the above

7. TCP and UPD are both layer 4 Transport protocols and both use port number to identify upper level applications. Identify 3 characteristics of IP RIP?

Distance vector

Periodic updates every 60 seconds

Uses a composite metric

None of these

8. Which WAN technology is widely used for Data network today because it is less costly and easy to implement ?

Leased Lines

Frame-relay(packet switching)

Circuit switching

None of these

9. What is the name of the protocol that provides a method of sharing VLAN configuration information between the two newly configured switches?

IP

ISL

TCP

VTP

10. For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists?

UDP

ICMP

IP

TCP

11. What is the OUI of the MAC address 01:AB:4D:F2:89:10?

01

F2:89:10

01:AB

01:AB:4D

12. What subnet mask would you use if you had a Class B address and you would like 250 networks?

255.255.255.0

255.255.254.0

255.255.252.0

255.255.248.0

13. The section of the carrier's network that is shared is often referred to as a WAN.

True

False

14. What is the Broadcast IP for 196.23.250.32/27?

196.23.250.32

196.23.250.33

196.23.250.63

196.23.250.64

15. The following configuration line was added to router CVK: Access-list 101 permit ip 10.25.30.0 0.0.0.255 any What is the effect of this access list configuration?

It will permit all packets matching the host bits in the source address to all destinations

It will permit all packets to destinations matching the first three octets in thedestination address

It will permit all packets from the third subnet of the network address to alldestinations

It will permit all packets matching the first three octets of the source address to alldestinations

16. The IPX is a universal standard for inter-LAN communication.

True

False

Can't say

17. What is the correct order for data encapsulation?

Segment, packet, frame, data, bit

Data, segment, packet, frame, bit

Bit, frame, packet, segment, data

Data, packet, segment, frame, bit

18. Which of the following commands would successfully implement an access list on a routers virtual terminal line? (Select only one answer choice

RouterTK(config-line)# access-class 10 in

RouterTK(config-if)# ip access-class 23 out

RouterTK(config-line)# access-list 150 in

RouterTK(config-if)# ip access-list 128 out

19. Which Routing protocol is preffered when we have different vendor routers in our network ?

RIP

OSPF

EIGRP

RIP V2

20. To display routing timers and network information we use "show IP protocol" and to display the routing table with information about all known networks and sub-networks we make use of "show IP route". What is the time interval that the routing updates are broadcast using RIP?

50

60

100

30

CISCO Online Test