Technical Assessment

The rules that govern a communication exchange

protocols

The length of an IP Version4 IP address can be described by which of the following

32 bits

TCP/IP Model

5 Layers

What is the bit length of a MAC address

6 bytes

OSI Model

7 Layers

What is a stub network?

A network that has only one entry and exit point

Which class of IP address provides a maximum of only 254 host addresses per network ID

Class C

The protocol data until (PDU) encapsulation is completed in which order?

Data, segments, packets, frames, bits

Which WLAN IEEE specification allows up to 54 Mbps at 2.4GHz?

G

How many broadcast domains are created when you segment a network with a 12 port switch?

1

Ethernet hubs operate at layer___, LAN switches work at layer ____, and routers work at layer ___

1,2,3

The following .IP address 172.16.20.55 converts to __in binary

10101100.00010000.00010100.00110111

How many collision domains are created when you segment a network with a 12 port switch?

12. Layer 2 switching creates individual collision domains

What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global internet?

PAT: permits multiple devices on a local area network (LAN) to be mapped to a single public IP address

Where is a hub specified in the OSI model?

Physical Layer

ICMP

Protocol that uses ping

Which of the following is a layer 2 protocol used to maintain a loop free network?

STP

What is the main reason why the OSI model was created?

So different networks could communicate

Which type of transmission is it when both stations communicate with each other simultaneously at the same time

full duplex

GUI stands for

graphical user interface

____ is a collection of many separate networks

an internet

CSMA/CD mean

carrier sense multiple access with collision detection

Which class of IP address has the most host addresses available by default?

class A

CLI is the acronym for

command line interface

To back up an IOS, what command will you use?

copy flash tfpt: trivial file transfer protocol, IOS is stored in flash when using router

Which command is used to upgrade an IOS on a Cisco router

copy tftp flash

If you wanted to delete the configuration stored in NVRAM, what would you type?

erase startup

a virtual LAN, commonly known as a VLAN, is a group of hosts with a common set of requirements that communicate as if they we attached to the same broadcast domain, regardless of their physical location

true

Ping

used to test the reachability of a host on an (IP) network, and to measure the round-trip time for messages sent from the originating host to a destination computer and echoed back to the source.