Which of the following is a device or function whose most notable feature is to encrypt packets before they pass through the Internet?

VPN

Firewall

IDS

NAC

96 Review the snippet from a show ip route command on a router: R 10.1.2.0 [120/1] via 10.1.128.252, 00:00:13, Serial0/0/1 Which of the following statements are true regarding this output?

The administrative distance is 1.

The metric is 1.

The metric is not listed.

The router added this route to the routing table 13 seconds ago.

What is the purpose of GPRS?

to provide data transmission service

to provide radio service

to provide global positioning system service

to ensure compliance with world time

Which one is not mainly a cell network standard?

GSM

AMPS/DAMPS

CDMA

WiMAX

What wi-fi standard is the latest one?

802.11a

802.11b

802.11g

802.11n

 

What is the maximum speed of 802.11n network?

11 Mbit/s

48 Mbit/s

54 Mbit/s

248 Mbit/s

Which technology can make an ordinary object a part of a computer network?

CDMA

WiMax

WiFi

RFID

What kind of physical interface can be used for LAN communications?

RJ-45

EIA/TIA-232

V.35

X.21

You have a network with a host address of 172.16.17.0/22. Which is another valid host address in the same subnet?

172.16.17.1 255.255.255.252

172.16.0.1 255.255.240.0

172.16.20.1 255.255.254.0

172.16.16.1 255.255.255.240

172.16.18.255 255.255.255.252.0

 

Your router has the following IP address on Ethernet0: 172.16.2.1/23. Which of the following can be valid host IDs on the LAN interface attached to the router?

172.16.0.5

172.16.1.100

172.16.1.198

172.16.2.255

The network address of 172.16.0.0/19 provides how many subnets and hosts?

7 subnets, 30 hosts each

7 subnets, 2,046 hosts each

7 subnets, 8,190 hosts each

8 subnets, 8,190 hosts each

Which two statements describe the IP address 10.16.3.65/23?

The subnet address is 10.16.3.0 255.255.254.0

The lowest host address in the subnet is 10.16.1.1 255.255.254.0

The last valid host address in the subnet is 10.16.2.254 255.255.254.0

The broadcast address of the subnet is 10.16.3.255 255.255.254.0

If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.0

172.16.45.4

172.16.45.8

172.16.45.12

What is the subnetwork address for a host with the IP address 200.10.5.68/28?

200.10.5.56

200.10.5.32

200.10.5.64

200.10.5.0

Which of the following are private IP addresses?

12.0.0.1

168.172.19.39

172.20.14.36

172.33.194.30

Acknowledgements, sequencing, and flow control are characteristic of which OSI layer?

Layer 2

Layer 3

Layer 4

Layer 5

Segmentation of a data stream happens at which layer of the OSI model?

Physical

Data Link

Network

Transport

Which protocol is an exterior one?

IGRP

RIP

BGP

OSPF

Which protocol has a hop count as its primary metric?

EIGRP

OSPF

RIP

IS-IS

Which OSI layer defines the standards for data formats and encryption?

Layer 4

Layer 5

Layer 6

Layer 7

Which of the following terms are not valid terms for the names of the seven OSI layers?

Application

Data Link

Presentation

Transmission

Which of the following terms are not valid terms for the names of the seven OSI layers?

Application

Data Link

Internet

Session

Which of the following best describes the main function of OSI layer 1 protocols?

Framing

Delivery of bits from one device to another

Addressing

Local Management Interface (LMI)