TOTAL: CompTIA Network+ Certification (N10-007)---practice sets

Everything you need to pass the CompTIA Network+ Exam (N10-007) from Mike Meyers, CompTIA expert and bestselling author.

1 Which best describes a model?

A duplicate of a real objects or process
A representation of a real object or process
multiple steps of a process converted into a single step
The expansion of a single process step into multiple steps

A representation of a real object or process

2 The OSI model has ____ layers and the TCP/IP model has ____ layers.

Four and four
seven and seven
seven and four
four and seven

seven and four

3 The Internet layer of the TCP model corresponds to which layer(s) of the OSI model?

Network
transport
session lock
session, presentation, and application

Network

4What is a chunk of data that has been sent out of a NIC called?

Packet
Segment
Frame
Mac

Frame

5Where does a computer get the MAC address?

It is generated by the frameterm-3
it is built into network interface card
the Mac address is another term for the IP address
the receiving computer applies a Mac address to each inbound frame

it is built into network interface card

6Which protocol is connectionless?

UDP
TCP
port number
well known port

UDPF

7Which of the following is not a valid network topology?

Bus/linear plus
Ring
mesh bus
Star
star bus
mesh

mesh bus

8An organization is building out its offices. Initially, computer connections will be 1 gigabit Ethernet but the company plans to upgrade to 10 gigabit connections in the near future. What category of wiring should be installed so that the company will not have to re-wire the facility when they upgrade their Ethernet speed?

CAT5
cat 5E
CAT6A
thicknet

cat6a

9Which type of fiber optic cable supports longer run lengths?

Laser mode
Multimode
fractal mode
Single mode

single mode

10Which of the following is not a fire rating for network cables?

Plenum
CAT6A
Riser
PVC

cat6a

11Which of the following is not a characteristic of serial ports?

Sends out eight bits at the same time on different pins
uses RS232 signaling
uses DB9 connector
uses DB25 connector

Sends out eight bits at the same time on different pins

12Which committee governs the standards of Ethernet?

IEEE 802.11 N
IEEE 9001
IEEE 9002
IEEE 802.3

IEEE 802.3

13Which field would not be found in an Ethernet frame?

Destination IP address
source Mac address
ethertype
destination Mac address

Destination ip address

14Which statement is not true about early Ethernet?

thick Ethernet coaxials called 10 base 5
10base5 connects to a network card with a BNC T connector
thick Ethernet must be terminated on both ends of the coaxial cable
thin Ethernet is called 10base2

10base5 connects to a network card with a BNC T connector

15Which statement is not true about 10BaseT?

Ten base T runs at 10 megabits per second
maximum distance between the switch and the node is 100 meters
ten base tea requires cap 5A utp cable
ten base tea supports a maximum of 1024 notes per switch

ten base tea requires cap 5A utp cable

16Which of the following is a UTP wiring standard?

10baseT runs at 10 megabits per second
Tia A568
IEEE 802.3
Tia 568B

TIA 568B

17Which statement is not true of 100 megabit Ethernet?

100base TX support runs up to 2 KM
both 100 base T and 100 base TX run over unshielded twisted pairs
both 100 base F and 100 base FX run over multi mode cable
Ethernet can run at 100MBPS on fiber or copper

100base TX support runs up to 2 KM

18Why can straight-through cables be used to connect modern switches together?

Straight through cables cannot be used to connect monitor switches together.
straight through cables can be used connect modern switches together but autosensing sets the switch port to half duplex, reducing performances by half
the switch will rewire the cable termination to that it becomes a crossover cable
auto sensing and I switch will cause the switchboard to rewire itself into a crossover configuration

auto sensing and I switch will cause the switchboard to rewire itself into a crossover configuration

19Which of the following statements is not true of Gigabit Ethernet?

1000 base T support up to 100 meter runs over UTP
1000 base LX support between 100 meters and 5 kilometers and can be used with multimode or single mode fiber optic cable
1000 base SX support runs of 100 meters over multimode fiber optic cable
1000 base SX supports between 100 meters and 10 kilometers and can be used with multi mode or single mode fiber optic cable

1000 base SX supports between 100 meters and 10 kilometers and can be used with multi mode or single mode fiber optic cable

20Which of the following is not a common network problem?

Loops
connecting switches in a tree structure
replay attack
initialization vector attack

connecting switches in a tree structure

21Which of the following is not an element of structured cabling?

Telecommunication closet
table top rack
horizontal run
work area

Table-top rack

22Patch panels and punch down tools are used on which kind of network cables?

Patch cables
work area cables
horizontal runs
fiber optic runs

Horizontal runs

23Which of the following is not a distribution panel?

166 punchdown block
110 punchdown block
66 punchdown block
fiber distribution panel

166 punchdown block

24Which of the following is not a cable test?

Wiremap
Continuity
cable length
ping

ping

25A network tech suspects a wiring issue in a work area. Which element does she not need to check?

Verify link flights at the workstation in the switchport
insure that the connections from the router to the ISP good
confirm network settings in the operating system
ping lower station Nic with the loop back plug installed

Ensure that the connection from the router to the ISP good

26A Fox and Hound are also known as what?

Time domain reflectometer (TDR)
Wiremap
A tone generator and a tone probe
continuity tester

Tone generator and a tone probe

27Which of the following is not a common wired network problem?

Attenuation
UTP cables < 100 meters
jitter
wrong cable type

UTP cables < 100 meters

28Which decimal number is represented by the binary number 1 0 1 1 0 1 1 0?

182
176
73
182\.176.783.0

182

29What does ARP stand for and what does it do?

Advanced routing protocol determines route between Mac addresses
alternate routing protocol determines backup routes between Mac addresses
address resolution protocol results Mac address with IP address
advanced resolution protocol results network name to IP address

address resolution protocol results Mac address with IP address

30Which statement is not true of a subnet mask?

Subnet masks are used by a computer to determine the normal county
subnet masks are sent out as one of the fields in the IP packet
subnet masks are made-up of continuous 1s starting at the leftmost (most significant bit) of an IP address
subnet masks are never sent out of a host

subnet masks are sent out as one of the fields in the IP packet

31Here are three IP addresses: 216.53.12.11, 130.222.255.170, 223.255.6.88. What class of addresses are each one (in order)?

C,B,C
B,A,C
C,A,B
A,C,A

C,B,C

32An organization has five campus buildings. They want each building to be on its own subnet. Each campus will need a minimum of twenty-five IP addresses. The organization has the Class C network address 217.105. 2.0 assigned to it. Using CIDR, what subnet mask will yield the minimum number of subnetworks with the maximum number of hosts per network that will meet the requirements of the organization?

/26
/27
/28
/29

/27

33A company has subnetted their Class C network address into four subnets with a /26 subnet mask. What are the addresses of the four subnets?

0,1,2,3
128,64,32,16
0,64,128,192
1,2,4,8

0,64,128,192

34Which service does not automatically assign an IP address to a host?

Static
DHCP
bootP
APIPA

static

35Which choice is true of a rogue DHCP server?

A rogue DHCP server increases the speed of the DHCP service
A rogue DHCP server increases the pool of available IP addresses
A rogue DHCP server can assign compatible IP addresses to host
A rogue DHCP server make sure the host will get compatible APIPA addresses

A rogue DHCP server can assign compatible IP addresses to host

36Which of the following is not a "special" IP address?

10\.255.1.1
169\.253.4.185
192\.168.70.70
127\.0.0.1

169.253.4.185

37Which symptom is not a result of an IP addressing problem?

Duplicate IP address
static IP address
duplicate Mac address
incorrect gateway

static ip address

38What is the job of a router?

to assign IP addresses to host on the network
to connect networks with different network IDs
to map IP addresses against Mac addresses
to allow outside host to initiate contact with hosts on the LAN side of a network

to connect networks with different network IDs

39What is the role of port numbers in IP headers?

Port numbers identify the sending and receiving processes between two host
port numbers identify which interfaces on a router should receive data in and which interfaces should forward data out
four numbers identify which connectors on a switch that should receive data in and which should forward data out
port numbers identify the path of routers between any two hosts that need to communicate with each other

Port numbers identify the sending and receiving processes between two host

40Which statement is true of a NAT router?

NAT routers replaced the source IP address with its own IP address
NAT routers allow public addresses to exist on the land side of the router
all hosts on the land side of the net router are assigned the same IP address as a public address in router
the NAT faction is performed at the ISP facility

NAT routers replaced the source IP address with its own IP address

41True or false: Most SOHO routers come with NAT enabled?

True

42Port forwarding allows which of the following?

Public addresses to be assigned to the land side of the NAT router
white host on the land side of the narrator to be assigned with the same public address of the router's WAN interface
but it just says a landside hose with a portable DNS address
outside access to host on the LAN side of the NAT router

outside access to host on the LAN side of the NAT router

43A tech has just installed a new SOHO router for a client. Which security task should the tech perform first?

Change administrator name and password
disable port forwarding
disable the DHCP server
enable Mac address cloning

Change the administrator name and password

44Which feature of a SOHO router is not typically found in an enterprise router?

Two or more router interfaces
graphical textual management interface
each interface in a router must be configured
built-in switch

Built-in Switch

45Which statement is not true of static routes?

Routers can have static routes
hosts can have static routes
static routers are enter manually must be manually changed by a human
static router enter manually but can be automatically changed by the router

static router enter manually but can be automatically changed by the router

46Which of the following is a not an element of a route metric?

MTU
hop distance
cost
bandwidth

Hop Distance

47Which of the following is not a characteristic of the RIP routing protocol?

RIP is a distance vector protocol
RIP is an interior gateway protocol
RIP supports a maximum hop count of 127 pops
the primary metric in RIP is hop count

RIP supports a maximum hop count of 127 pops

48Which of the following is not a characteristic of the OSPF routing protocol?

OSPF is a link state protocol
OSPF is it distance vector protocol
OSPF routers are grouped into areas
OSPF routers in area like the designated router and a backup designated router

OSPF is it distance vector protocol

49Which of the following is not a characteristic of the BGP routing protocol?

BGP is a hybrid of distance vector and link state routing protocols
BGP is broken up into divisions called autonomous system (AS)
the primary job of BGP is to route between ASes
OSPF is a primary router protocol between ASes

OSPF is a primary router protocol between ASes

50Which characteristic is true of TCP?

TCP is connectionless
the TCP 3-way handshake beings with a SYN message, followed by an ACK followed by an ACK SYN message
TCP uses the FIN message to close the connection.
TCP uses the END message to close a connection.

TCP uses the FIN message to close the connection.

51Ping uses which IP layer protocol?

ICMP
ARP
RIP
FTP

ICMP

52Which of the following is not a network information or troubleshooting utility?

Traceart
Pathping
FTP
Bandwidth tester

FTP

53Which choice is not true about protocol analyzers such as WireShark?

Protocol analyzers can capture packets and frames
Protocol analyzers can show the contents of packets and frames
Protocol analyzers can filter the content of the packet frames
Protocol analyzers can generate packets and frame

Protocol analyzers can generate packets and frame

54What is the primary purpose of netstat?

Capture frames and packets for later review
shows the computer's connection to any web servers
graphical utility that charts amount of network data entering and leaving the host
display all connections to and from the host computer

display all connections to and from the host computer

55FTP uses TCP port 20 and TCP port 21. Which choice describes how the ports are used?

FTP servers listen for commands on port 20 and response with data on port 21
FTP servers listen for commands on port 21 and response with data on port 20
FTP client request on port 21 and receive data on port 21
FTP client request on port 20 and receive data on port 20

FTP servers listen for commands on port 21 and response with data on port 20

56Which of the following is a secure email protocol?

STMP
STLS
POP
IMAP

STLS

57Which choice describes a significant difference between Telnet and SSH?

Telnet is an Internet telephony protocol, SSH it's a secure sharing protocol
Telnet runs on a client, SSH runs on the server
Telnet runs on a server, SSH runs on a client
Telnet is unencrypted, SSH is encrypted

Telnet is unencrypted, SSH is encrypted

58Which is the default port for NTP?

321
123
132
231

123

59Which of the following is not a network service problem?

Duplicate IP address in DHCP scope
not enough IP addresses in the DHCP scope
overlong DHCP lease Periods
exclusion in the DHCP scope

exclusion in the DHCP scope

60In what folder is the HOSTS file located in a Windows computer?

C:\\etc
C:\\Windows\\System32\\Drivers\\etc
C:\\Windows\\etc
C:\\Windows\\System32\\etc

C:\Windows\System32\Drivers\etc

61What command will assign a drive letter to a network share?

Net assign
Net drive
Net share
Net use

Net use

62The primary command-line tool to troubleshoot Windows naming issues is what?

Nbstat
Netstat
Ipconfig
Net

Nbstat

63What is the job of DDNS?

DDNS allows a locker device around the change its DNS name
DDNS rotates the IP address of a local device
DDNS tracks IP address changes of a local device and update
DNS to reflect those changesDDNS prevents the pH of the local device from being changed

DDNS tracks IP address changes of a local device and update

64A website just changed its IP address and a user is unable to reach it by typing the site's domain name into their browser. What command can the user run to make the computer learn the website's new IP address?

Ipconfig /updatednscache
Ipconfig /flushdns
Ipconfig /all
Ipconfig /dnsupdate

Ipconfig /flushdns

65When securing IP networks, developers focus on several key principles. Which of the following is NOT one of those principles?

Performance
confidentiality
integrity
availability

Performance

66In terms of network security, what is the purpose of hashing?

Hash is a great side dish with eggs
hashing encrypts data
hashes are used to verify data integrity
hashing decrypt that out that was encrypted by hashem

hashes are used to verify data integrity

67Which of the following is not an authentication factor?

Something you are
Something you can do
Something you know
Something you have

Something you can do

68What is a digital signature?

Hash web page
encrypted web page
hash of an encrypted data chunk that sender and receiver both have
web page that has been hashed with the private key

hash of an encrypted data chunk that sender and receiver both have

69Which of the following is not a common certificate error or warning?

Certificate is on the certificate relocation list (CRL)
self signed certificate
expired certificate
certificate not valid for the site

Certificate is on the certificate relocation list (CRL)

70Which would be the best solution to make an encrypted tunnel using SSH?

Recode an unencrypted tunneling program to support SSH encryption
Piggyback an existing program into SSH
set up a tunnel using PPTP
set up a tunnel using L2TP/IPSEC

Piggyback an existing program into SSH

71Which statement is true of VLANs?

VLANs enabled remove stations to connect to the LAN from across the Internet
VLANs break up broadcast domains into multiple, smaller broadcast domains
VLANs use SSH tunnels for cross-VLAN traffic
VLANs can only be specific ports on a router

VLANs break up broadcast domains into multiple, smaller broadcast domains

72Which statement is true of inter-VLAN routing?

Inter-VLAN routing Calls for connecting each VLAN to a port on the routers so that data can pass between the VLANs
Inter-VLAN routing is implemented within the switches to network communication between VLANs
Inter-VLAN routing encrypts and decrypts traffic between VLANs
Inter-VLAN router enables VLANs to connect over a public network, such as the Internet

Inter-VLAN routing is implemented within the switches to network communication between VLANs

73Which port on a switch is used to manage the switch?

Rollover port
console port
Yost port
layer 3 port

console port

74When operating multiple, duplicate servers such as web servers, which method is best to to take advantage of the full power of all of the servers?

HSRP
DNS server
Round robin Server
Server Side Load Balancer

Server Side Load Balancer

75What is the Cisco protocol to perform port bonding?

LACP
HSRP
CARP
Inter-VLAN routing

LACP

76What does port mirroring accomplish?

Enabled inbound and outbound traffic from switch ports to duplicate at the mirrored port
double switch-port bandwidth by bonding a specified ports to the mirror
redirects any inbound traffic to the near port to another, specified port
redirects any outbound traffic from the mirror port to a house with a specific IP address

Enabled inbound and outbound traffic from switch ports to duplicate at the mirrored port

77What does QoS provide?

Higher Performance of selected traffic
blocking of specific traffic types
redirection of low priority traffic to slower router interfaces
prioritized throughput of different traffic types

prioritized throughput of different traffic types

78Which statement is true of IPS and IDS systems?

Passive IDS is the same as IPS
IPS responds to threats with a notification to specified staff
IPS detects then attempts to defend against a threat
passive IPS is the same as IDS

IPS detects then attempts to defend against a threat

79Which statement is not true of a forward proxy?

Forward proxy servers are connected in-line between the front-end router and the LAN and they do not require hosts to be configured
Forward proxy servers function between the local network and the front-end router
Forward proxy servers are application specific
Hosts must be configured to access the forward proxy server

Forward proxy servers are connected in-line between the front-end router and the LAN and they do not require hosts to be configured

80Which is the BEST device to dole out requests to duplicate servers to ease congestion?

DNS Server
Round Robin Server
Server side Load Balancer
Clusterer

Server side Load Balancer

81Which of the following is not a characteristic of an IPv6 address?

128 bits
Written with hexadecimal characters
Groups are separated by dashes
Broken up into eight groups

Groups are separated by dashes

82Which choice is not a valid representation of the IPv6 address: 2001:C2A:0000:0000:BB29:0000:3F00:A5B6?

2001:0C2A::BB29:0000:3F00:A5B6
2001:C2A::BB20::3F00:A5B6
2001:0C2A:0000:0000:BB29:0000:3F00:A5B6
2001:0C2A:0000:0000:BB29::3F00:A5B6

2001:C2A::BB@9::3F00:A5B6

83Which statement is not true of IPv6 addresses?

Outbound IPv6 addresses are randomized by the operating system
EUI-64 can be traced back to the source computer
IPv4 and IPv6 are automatically translated back and forth as required
there are no private IPv6 addresses

IPv4 and IPv6 are automatically translated back and forth as required

84A DS0 line has what bandwidth?

1.544 mbps 32 kbps 64 kbps 128 kbps

64 kbps

85What is the speed of an OC-1 line?

1\.544 mbps
64 kbps
155 mbps
51\.85 mbps

51.85 mbps

86Which of the following is not a packet switching technology?

Circuit switch
Frame Relay
ATM
MPLS

Circuit Swtich

87Dial-up connections require which piece of equipment?

Modem
Cable modem
NIC
Multi-speed switch

Modem

88What kind of download and upload speed does ADSL provide?

Same download and upload speed
slower upload speeds and download speed
faster upload speed than download speed
half duplex operation provides the same upload and download speed for uploading and downloading cannot happens simultaneously

slower upload speeds and download speed

89The primary technical disadvantage to satellite Internet is what?

Slow upload
slow Download
latency
expense

latency

90Remote desktop is a term that describes what?

Installing two keyboards and two monitors on the same computer that it can run two different sessions, simultaneously
duplicating the output of a monitor to another monitor
separating the monitor from a computer so it can operate over a distant connection
using a computer to take over the screen and keyboard of another computer

using a computer to take over the screen and keyboard of another computer

91SCADA differs from ICS/DCS for what major reason?

SCADA uses conventional computers while ICS/DCS uses highly socialized computers
ICS/DCS uses conventional computers while SCADA uses highly socialized computers
ICS/DCS operates over long distances while SCADA is local
SCADA operates over long distances while ICS/DCS is local

SCADA operates over long distances while ICS/DCS is local

92What does ad-hoc mode describe?

Wireless devices connected to a WAP
A bluetooth environment comprised of a mouse and keyboard
Wireless network comprised only of peer computers
802\.11 network

Wireless network comprised only of peer computers

93PoE describes what?

Using power lines to carry Ethernet data
Using wireless access points to provide power to wireless clients
Using ethernet cables to carry data and power to network devices
Using power cables as wireless antennas in Wi-Fi environments

Using ethernet cables to carry data and power to network devices

94Which of the following is not an antenna type typically found in a Wi-Fi environment?

Tripole
Dipole
Patch
Yagi

Tripole

95Which of the following is not a security task that should be performed on a new WAP?

Enable Backwards compatibility
change administrator account and password.
enable encryption.
disable SSID broadcast.

Enable Backwards compatibility

96Which term describes the process of scouting for Wi-Fi networks that may be vulnerable?

War Driving
Snooping
sniffing
fox hunting

War Driving

97Documenting a "find" after a war driving excursion is known as what?

War marking
Blogging
War chalking
Updating

war chalking

98WPS is used for what purpose?

Automatically shares the Wi-Fi password
Automatically sets up a personal area network
Automatically applies protection services to wireless devices
Automatically configures a wireless device to connect to a WAP

Automatically configures a wireless device to connect to a WAP

99Which choice is not a step in planning and installing a wireless network?

Plan the WAP locations
Perform site survey
Install patch antennas
configure WAP security

Install patch antennas

100Which choice is not a typical Wi-Fi problem?

Interface
WPS failure
Wrong WAP password
WAP configuration has changed

WPS failure