From REM1

Question 1

Convert decimal 239 to Hex.

Answer 1

EF

Question 2

The broadcast MAC address (in hex notation) is:

Answer 2

FF:FF:FF:FF:FF:FF

Question 3

What is the range for Class B private IP addresses?

Answer 3

172.16.0.0 to 172.31.255.255

Question 4

In Ethernet, a ____ is an alternating 1,0 pattern that provides a 5MHz clock at the start of each packet, which allows the receiving devices to lock the incoming bit stream.

Answer 4

Preamble

Question 5

What is the protocol number for L2TP?

Answer 5

115

Question 6

Enter the last valid host on the network that the host 10.90.42.113 255.255.240.0 is a part of.

Answer 6

10.90.47.254

Question 7

Numbers below 1024 are considered well-known port numbers and are defined in RFC _____.

Answer 7

1700

Question 8

Routers can use _____ lists, created by an administrator, to control security on the types of packets that are allowed to enter or exit an interface.

Answer 8

Access Control

Question 9

In computer networking, a ________ is a type of group communication where data transmission is addressed to a group of destination computers simultaneously.

Answer 9

Multicast

Question 10

Routers, by default, break up _______ domains.

Answer 10

Broadcast

Question 11

TFTP is a simple protocol for transferring files, implemented on top of the UDP/IP protocols using well-known port number ________.

Answer 11

69

Question 12

The configuration register value to turn on bit 6 in Cisco routers is ________.

Answer 12

0x2142

Question 13

Enter the first valid host on the network that the host 10.163.190.190/28 is a part of.

Answer 13

10.163.190.177

Question 14

During router boot up, if a startup-config file is in NVRAM, the router will copy this file and place it in RAM and call it the ________ file.

Answer 14

Running-config

Question 15

In Ethernet, the packet sent down to the Data Link layer from the Network layer, the size can vary from ________ bytes to ________ bytes.

Answer 15

64, 1518

Question 16

Breaking up the subnet into subnets with different subnet masks is ________, a computer networking technology.

Answer 16

Variable Length Subnet Masking (VLSM)

Question 17

A company would like to configure new switches on the network for employees to have a change in IP network information. What port number would you configure to allow new feeds to pass through?

Answer 17

Port 67

Question 18

When the router is turned on, this is used to save the running configuration file.

Answer 18

NVRAM

Question 19

he third way to connect to a Cisco router is in-band, through the program ________.

Answer 19

Telnet

Question 20

RFC ________ is an annex to ICMP, which affords hosts extended capability in discovering routes to gateways.

Answer 20

1256

Question 21

Enter the broadcast address for the network 10.152.64.0/255.255.248.0.

Answer 21

10.152.71.255

Question 22

The address used by applications and hosts to send information to all nodes on a network is called the ________ address.
- Answer: Broadcast

Answer 22

Broadcast

Question 23

________ is a set of technologies that work on a network to guarantee its ability to dependably run high-priority applications and traffic under limited network capacity.

Answer 23

Quality of Service (QoS)

Question 24

A routing ________ is a unit calculated by a routing algorithm for selecting or rejecting a routing path for transferring data/traffic.

Answer 24

Metric

Question 25

Access to the IOS command line is called an ________ session.

Answer 25

EXEC

Question 26

A ________ is the basic, indispensable part of an operating system that allocates resources and manages things such as low-level hardware interfaces and security.

Answer 26

Kernel

Question 27

Most widely implemented Fast Ethernet standard. Uses Cat 5 UTP cable or STP cabling. 100 Mbps transmission with total segment length of 100 meters.

Answer 27

100BASE-TX

Question 28

________ is the field at the end of the frame that’s used to store the CRC.

Answer 28

Frame Check Sequence (FCS)

Question 29

The router uses something called a serial interface for WAN connections, specifically, a ________ physical interface on a Cisco router.

Answer 29

Serial

Question 30

What is CIDR notation used for in networking?

Answer 30

To define the subnet mask