Network+ Guide to networks, 8e Midterm Test

What field in a TCP segment is used to determine if an arriving data unit exactly matches the data unit sent by the source? Checksum diffserv acknowledgement number source port

Checksum

You have a network that consists of seven computers running windows 10 professional. You add an eighth computer with windows server 2016 installed. Which networking model can the network now support that it could not without the addition of the eighth computer? Star-Bus Hybrid Client-Server Ring

Client-Server

A network consists of five computers, all running windows 10 professional. All the computers are connected to a switch which is connected to a router which is connected to the internet. Which networking model does the network use? Hybrid Ring Star-Bus Ring Peer to Peer

Peer to Peer

Suppose you're creating patch cables to be used in a government office. What color wire goes in the first pin? Blue White/Green Brown White/Orange

White/Green

Which two protocols manage neighbor discovery processes on IPv4 networks? BGP & OSPF IPv4 &IPv6 ICMP & ARP TCP & UDP

ICMP & ARP

Which email protocol allows an email client to read mail stored on the mail server? IMAP4 SMTP TCP POP3

IMAP4

Which fiber connector contains two strands of fiber in each ferrule? LC ST SC MTRJ

MTRJ

Which two encryption protocols might be used to provide secure transmissions for browser and web server communications? SSL & TLS TCP & UDP SSL & HTTP HTTP & HTTPS

SSL & TLS

Which kind of multiplexing assigns slots to nodes according to priority and need? TDM (time division multiplexing) CWDM (coarse wavelength division multiplexing) WDM (wavelength division multiplexing) STDM (statistical time division multiplexing)

STDM (statistical time division multiplexing)

What type of dns record identifies an email server? ptr record mx record aaaa record cname record

mx record

At which OSI layer does IP operate? Transport layer application layer data link layer network layer

network layer

Which OSI layer is responsible for directing data from one LAN to another? physical layer network layer transport layer data link layer

network layer

IF you're shopping for a rack switch, what component on the switch tells you it can be mounted to a rack? Large fans ac adapter padded feet rack ears

rack ears

Which computers are the highest authorities in the domain name system hierarchy? primary dns servers authoritative name servers top level domain servers root servers

root servers

which of the following devices are you likely to find in the mdf routers network printer switches kvm switch

routers, switches, kvm switch

What kind of route is created when a network administrator configures a router to use a specific path between notes? best path trace route default route static route

static route

you've decided to run an nmap scan on your network. what app could you open to perform this task? zenmap microsoft edge command prompt powershell

zenmap command prompt powershell

Which of these catagories of twisted-pair cable can support Gigabit Ethernet? Cat 5, Cat 6, Cat 7 Cat 5e, Cat 6a, Cat 7 Cat 6, Cat 7a, Cat 5 Cat 5e, Cat 6, Cat 3

Cat 5e, Cat 6a, Cat 7

What is the earliest twisted-pair cabling standard that meets the minimum requirements for 10GBase-T transmissions? Cat 5e Cat 5 Cat 7 Cat 6a

Cat 6a

What kind of cable uses BNC connectors? Which connector is likely to be used by cable TV? Twisted-pair cable, RJ-11 Coaxial cable, F-connector Fiber-optic cable, MTRJ Copper cable, RJ-45

Coaxial cable, F-connector

What is the internet standard mtu? 65,535 bytes 1,522 bytes 1,500 bytes 9,198 bytes

1,500 bytes

What decimal number corresponds to the binary number 11111111? 255 11,111,111 127 256

255

A routing protocol's reliability and priority are rated by what measurement? AD Routing table MTU Latency

AD

Which transmission characteristic is never full achieved? Throughput Bit rate Latency Bandwidth

Bandwidth

What type of device does a computer turn to first when attempting to make contact with a host with a known IP address on another network? Root Server Default Gateway DHCP server DNS Server

Default Gateway

A technician from your ISP has arrived to help you troubleshoot a weak WAN connection. To what location do you take her? Entrance Facility IDF CEO's office Work Area

Entrance Facility

Which kind of crosstalk occurs between wire pairs near the source of the signal? FEXT Alien NEXT Tx/Rx reverse

NEXT

Which email protocol allows an email client to download email messages to the local computer? TCP POP3 SMTP IMAP4

POP3

Which Type of Address is used at the transport layer to identify the receiving application? Protocol Port IP Address Mac Address

Port

You have just brought online a new secondary dns server and notice your network-monitoring software reports a significant increase in traffic. which two hosts on your network are likely to be causing this and why? Root & Primary DNS, the primary server is requesting zone transfers from transport Web server and primary dns - web server is requesting zone transfers Caching and primary - cashing is requesting zone transfers Secondary and primary- secondary is requesting zone transfers

Secondary and Primary DNS servers - the Secondary is requesting zone transfers from the primary

A network consists of seven computers and a network printer, all connected directly to one switch. Which network topology does this network use? Mesh Star-Bus Hybrid Star

Star

Which protocol's header woudl a Layer 4 device read and process? HTTP ARP TCP IP

TCP

which device converts signals from a campus's analog phone equipment into IP data that can travel over the internet? VoIP endpoint VoIP PBX VoIP Switch VoIP Gateway

VoIP Gateway

Which of these is considered a secure place to store a list of documented network passwords? the MDF A password Manager A sticky note under the keyboard the ceo's smartphone

a password manager

Which of these commands if available only in Linux? ipconfig nslookup dig ping

dig

Which routing protocol does an exterior router use to collect data to build its routing tables? OSPF IP RIPv2 BGP

BGP

When your computer first joins an IPv6 network, what is the prefix of the IPv6 address the computer first configures for itself? 2001::/3 FE80::/10 FF00::/8 2001::/64

FE80::/10

What type of fiber cable problem is caused when pairing a 50-micron core cable with a 62.5-micron core cable? Tx/Rx reverse Dirty connectors Wavelength mismatch Fiber type mismatch

Fiber type mismatch

In the Client-Server model, what is the primary protocol used for communication between a browser and a web server? FTP TCP HTTP SSL

HTTP

Which application embedded in Windows operating systems allows remote control of a computer and uses the RDP secure Protocol for transmissions? SSH SFTP Remote Desktop Telnet

Remote Desktop

You have a network of ten computers connected to a single switch that has 12 ports. You need to add six more computers to the network so you add a second switch by connecting it to the first switch by way of a network cable. Which topology is now used? Star Mesh Star-Bus Hybrid

Star-Bus

Which part of a toner and probe kit emits an audible tone when it detects electrical activity on a wire pair? Toner Tone locator TDR Tone generator

Tone locator

Suppose you send data to the 11111111 11111111 11111111 11111111 IP address on an IPv4 network. To which device(s) are you transmitting? the one device that is configured with this IP address all devices on your local network no devices all devices on the internet

all devices on your local network

When a router can't determine a path to a message's destination, where does it send the message? Gateway of last resort default gateway administrative distance routing table

gateway of last resort

a transceiver was recently damaged by a lightning strike during a storm. How might you decide whether the ISP is responsible for replacing this device or whether your company must foot the bill? Look at the manufacturers information on the label Look at purchase records for the device look at what kinds of cables are connected to the device look at whether the device is on the ISP side of the demarc

look at whether or not the device is on the isp side of the demarc

you need to connect a new network printer to a nearby wall jack, what kind of cable should you use? plenum rated cable backbone cable patch cable fiber optic cable

patch cable

Which part of a MAC address is unique to each manufacturer? the physical address the device identifier the OUI the network identifier

the OUI

what type of diagram shows a graphical representation of a networks wired infrastructure? wiring schematic network map rack diagram network topology

wiring schematic

If you are connected to a network that uses DHCP, and you need to terminate your windows workstations DHCP lease, which command would you use? ipconfig /release ifconfig /renew ipconfig /renew ifconfig /release

ipconfig /release

What is the first step of inventory management? Backup network data interview users list an administrative accounts username and password for every device on the network list all components on the network

list all components on the network