Networking Mid term

backbone

A _____ is a central conduit that connects the segments (pieces) of a network.

FALSE

A client/server network is the simplest network model. t or f

hot swappable

A hardware component that can be changed without disrupting operations is known as _____.

false

A high twist ratio can result in lower attenuation. T or F

peer-to-peer model

A network consists of 10 computers, all running Windows 10 Professional. One computer acts as a file server and serves up data to other computers on the network. Which networking model does the network use?

Star topology

A network consists of seven computers and a network printer all connected directly to one switch. Which network topology does this network use?

FALSE

A NIC has no room for a transceiver. T or F

UPS

A ____ is a battery-operated power source directly attached to one or more devices and to a power supply (such as a wall outlet) that prevents undesired features of the wall outlet's A/C power from harming the device or interrupting its services.

physical layer

A computer is unable to access the network. When you check the LED lights near the computer's network port, you discover the lights are not lit. Which layer of the OSI model are you using to troubleshoot this problem?

True

ARP relies on broadcasting, which transmits simultaneously to all nodes on a particular network segment.

TRUE

An advantage to using SAN is that it can be easily expanded without interrupting service. T or F

physical address Mac address hardware address data link layer address

At the Link layer, which type of network address is used to identify the receiving node?

False

Dynamic routing is a technique in which a network administrator programs a router to use specific paths between nodes. T or F

FALSE

EMI (electromagnetic interference) is a latency issue T or F

ipconfig/release

If you are connected to a network that uses DHCP, and you need to terminate your Windows workstation's DHCP lease, which command would you use?

Layers 1 & 2

In which layer(s) of the OSI model do NICs operate?

power redundancy

Providing a backup power source is called

TRUE

Something called a Three-way handshake is used to establish a TCP connection. t or f

false

TCP is normally used when streaming live video T or F

wireless spectrum

The ____________________ is a continuum of the electromagnetic waves used for data and voice communication.

OUI

The first 24 bits in a MAC address are known as which of the following?

Wi-Fi

The five 802.11 standards (802.11b, 802.11a, 802.11g, 802.11n, 802.11ac) are collectively known as ____.

physical layer data link layer

Traditional switches operate at which layer of the OSI model?

false

UDP provides error checking and sequencing t or f

Root servers

What computers are the highest authorities in the Domain Name System hierarchy?

802.3 af

What defines the Power over Ethernet standard.

repeater

What device can boost a digital signal?

Connect dissimilar networks Interpret Layers 3 and 4 addressing Determine the best path for data to follow Reroute traffic if a primary path is down but another path is available.

What four functions do all routers perform?

cat 6

What is the earliest twisted-pair cabling standard that meets the minimum requirements for 10GBase-T transmissions?

demarc

What is the first point of interconnection between an organization's LAN or WAN and a service provider's facility?

a layer 2 switch can not route traffic

What is the fundamental distinction between a Layer 2 switch and a router?

host provides a service and node is a device on a network that is consuming something

What is the fundamental distinction between a node and a host?

Active Directory

What is the name of the domain controller database that Windows Server uses to store data about user access and resources on the network?

static route

What kind of route is created when a network administrator configures a router to use a specific path between nodes?

port number

What number does a host use to identify the application involved in a transmission?

3389

What port does RDP use by default.

default gateway

What type of device does a computer turn to first when attempting to make contact with a host on another network?

Network Layer

Which OSI layer is responsible for directing data from one LAN to another?

remote desktop

Which application embedded in Windows operating systems allows remote control of a computer and uses the RDP secure protocol for transmissions?

UTP unshielded twisted pair

Which cabling consists of one or more insulated wire pairs encased in a plastic sheath?

cat 5e and higher

Which categories of twisted-pair cable can support Gigabit Ethernet

telnet

Which client-server application allows an administrator to control a remote node, but does not encrypt or secure the communication between client and server?

Router

Which of the following devices joins two or more networks and passes packets from one network to another?

NAT

Which of the following is a technique designed to conserve the number of public IP addresses needed by a network?

SMTP

Which of the following protocols is used by a client to send an email message?

hop count

Which of the following routing metrics is a measure of the number of network segments crossed?

tunneling

Which of the following terms best describes a method used by IPv6 to transport IPV6 packets through or over an IPv4 network?

full-duplex

Which of the following transmission methods allows signals to travel in both directions over a medium simultaneously?

the OUI

Which part of a MAC address is unique to each manufacturer?

amplitude

Which term represents an analog wave's strength?

NEXT

Which type of cross-talk occurs between wire pairs near the source of a signal?

ad hoc wireless

Which type of wireless network consists of wireless nodes that transmit directly to each other via wireless NICs without an intervening connectivity device?

multipath

____ signals follow a number of different paths to their destination because of reflection, diffraction, and scattering.

TRUE

fiber-optic cable is the most expensive transmission medium T or F

HTTP

in the client-server model, what is the primary protocol used for communication between a browser and Web sever

Application Presentation Session Transport Network Data Link Physical

list the layers of the OSI model