Which options are displayed when using a PING command? Choose all that apply.

A -Packet statistics

B -Approximate round trip time

C -Current entries in verbose mode

D -Host and associates related to the Internet address

a & b

packet statistics 

approximate round trip time

Which items may cause EMI? Choose all that apply.

A -Microwave ovens

B -Metal water bottles

C -Exposed sheet rock

D -Small electric motors

a&d

microwave ovens 

small electric motors

Which are functions of the NETSTAT command? Choose all that apply.

A -Troubleshoots security

B -Reports approximate round trip time

C -Configures each entry into verbose mode

D -Troubleshoots active connections to a computer

a&d

trouble shoots security

troubleshoots active connections to a computer

APIPA is used when no DHCP server is present.

Which option defines mobile broadband?

A -Limits the service provider coverage area

B -The data rate of a computer network connection

C -Connecting voice band and radio band frequencies

D -High-speed wireless Internet connection services designed to be used from arbitrary locations

D. High-speed wireless Internet connection services designed to be used from arbitrary locations

An address allows networks or PCs to __________ with each other.

A -crop

B -seed

C -multiply

D -communicate

Which network is a commonly used access method in homes and offices?

A -Bus network

B -Star network

C -Ring network

D -Mesh network

Which item is necessary for computers and routers to communicate with others?

A -IP address

B -File directory

C -Access codes

D -Public encryption

TCP provides which type of control?

A -Ebb

B -Flow

C -Design

D -Balance

Which type of network media is unaffected by EMI?

A -Coaxial

B -Fiberoptic

C -Shielded twisted pair

D -Unshielded twisted pair

Which are options of different routers? Choose all that apply.

A -Static

B -Dynamic

C -Protocol

D -Packet switches

a&b

static

dynamic

Routers are not used for wireless networks.

True

False

Which is the number of networks a router will always be connected to?

A -1

B -2

C -3

D -4

Which is the greatest disadvantage with wireless connections?

A -Expensive

B -Low Mbps

C -Hassle to set up

D -Susceptible to EMI

Wireless bridging is a forwarding technique used in a packet-switched computer network.

True

False

A firewall is known as a/an __________ device.

A -area

B -access

C -perimeter

D -distribution

Which are the layers of the OSI model? Choose all that apply.

A -Session layer

B -Physical layer

C -Data-link layer

D -Network layer

E -Transport layer

F -Broadband layer

G -Application layer

H -Presentation layer

Which method is favored for allocating IP addresses?

A -DHCP

B -Static

C -APIPA

D -IPCONFIG

Which telephone service runs at 2.048 Mbps?

A -T1

B -E1

C -T3

D -E3

Which key is pressed after the ARP command is written to display a list of options associated with the command?

A -F7

B -F8

C -ENTER

D -CTRL+O

IP addresses can be configured automatically and manually.

True

False

Which statement describes a network?

A -Communications engineering

B -A collection of interconnected objects

C -Remote access made available to a group of people

D -The invisible frame used to implement relationships between electrical objects

__________ is a number randomly assigned to a computer or network device by a DHCP server.

A -IPv4

B -Static IP address

C -Domain IP address

D -Dynamic IP address

How many ranges of addresses exist which are known as private IP addresses?

A -1

B -2

C -3

D -4

Over how many meters can Ethernet run while using a coaxial cable?

A -100

B -200

C -400

D -500

How many bytes long is a MAC address?

A -3

B -4

C -6

D -8

Transmission speed is the rate data moves across which type of channel?

A -Open

B -Speed

C -Network

D -Communication

Which is not allowed by an APIPA address if no default gateway is configured?

A -Intranet access

B -Internet access

C -Static IP addressing

D -Dynamic addressing

Routing protocols control the ___________ of information between routers so the routers can select the proper path for traffic.

A -closing

B -booking

C -opening

D -exchange

In the command prompt, the IPv4 address is written in which notation?

A -Primary

B -Longhand

C -Dotted decimal

D -Dotted decibels

Hub and the OSI Layer

At what layer is a hub device found in the OSI layer?

A -1

B -4

C -6

D -7

Unshielded twisted-pair cable is the most common because it is the most __________.

A -reliant

B -durable

C -trustworthy

D -inexpensive

The frame header will consist of which two elements?

A -Router

B -Systems layer

C -MAC source address

D -MAC destination address

__________ switches are when transmissions are broken into smaller fixed-length pieces and individually transmitted.

A -Cell

B -Light

C -Circuit

D -Packet

A hub is used to connect __________.

A -network ports

B -network routers

C -network segments

D -network MAC addresses

Which medium creates internetworks?

A -Router

B -Modem

C -End system

D -Model system

Coaxial cable is more expensive than which cable?

A -STP cable

B -UTP cable

C -Fiberoptic cable

D -Twisted-pair cable

A VLAN is recommended after how many devices are connected to a single LAN?

A -50

B -100

C -200

D -500

Switches and bridges are devices found at which layer in the OSI model?

A -2

B -3

C -4

D -7

Which cabling options are not as susceptible to external interference such as machinery and EMI?

Which type of wireless LAN requires more equipment?

A -Mapped

B -Directional

C -Peer-to-peer

D -Infrastructure

An unmanaged switch will have an IP address.

A __________ network is two or more systems interlinked to allow for communications.

A -human

B -private

C -computer

D -distributed

Which option defines NAT?

A -Network Address Tool

B -Network Address Transit

C -Network Address Translation

D -Network Address Transcription

By which method are metrics derived in dynamic routing?

A -Public key encryption determines path

B -Known paths are retrieved from a cache

C -Algorithms are used against the routing table

D -Sensors travel available connections to detect blocks

Which network access method is considered the most reliable?

A -Bus network

B -Star network

C -Ring network

D -Mesh network

Which option is the meaning of TCP?

A -Teredo Control Ports

B -Telnet Command Protocol

C -Transmission Control Protocol

D -Tunneling Configuration Protocol

Wired local area networks are based on a technology known as ___________.

A -SCSI

B -modem

C -Ethernet

D -innovation

__________ are hardware or software devices that interchange data packets between computer networks.

A -Routers

B -MAC tables

C -Packet switches

D -Circuit switches

A wide area network spans a small geographic area.

True

False

Which octet of an IP address is used to identify a class?

A -Any

B -Last

C -First

D -Middle

How many channels can be accessed from a T1 telephone line for a WAN?

A -1

B -24

C -48

D -96

Which layers of the OSI model perform application-specific functions like data formatting, encryption, and connection management?

A -None

B -Upper

C -Lower

D -Middle

Which is considered the first communications network?

A -Telephone

B -Mail system

C -Pony Express

D -Telegraph system

To set up a wireless network, a __________ is required.

A -router

B -DSL cable

C -wireless bridge

D -network topology

Click the Exhibit button. Which option is the network card's physical address?

A -Option A

B -Option B

C -Option C

D -Option D

All computers have one special IP address known as __________.

A -IPv4 addressing

B -static IP addressing

C -dynamic IP addressing

D -local loopback addressing

Where is STP cable primarily used?

A -China

B -Russia

C -Europe

D -United States

How many layers are in the OSI model?

A -1

B -3

C -5

D -7

The OSI model is divided into which categories? Choose all that apply.

A -Model layer

B -Upper layers

C -Lower layers

D -System layer

Facebook, Twitter, and LinkedIn are examples of __________.

A -blogs

B -social media

C -local networks

D -social engineering

The __________ is a computer that uses a name-service protocol to map an IP address to a domain name.

A -IP address

B -name server

C -domain name

D -static address