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Comptia Network +

Subjects : certifications, comptia-network-+, it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. A network administrator is troubleshooting a wireless LAN (Local Area Network) that is experiencing trouble with interference. A scan of the wireless network reports that there are two WAPs (Wireless Access Point) from different companies within rang
100BASE-FX Answer: D
802.11i
A long length of antenna extension cable
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)

2. MLI Means...
Direct Current
Multiple Link Interface
10 GBASE-LR
D. Switch and bridge

3. This is not a valid IP (Internet Protocol) addresses
172.192.4.256
The device ID (Identification)
A network's physical topology gives you the lay of the land and the logical topology illustrates how the signals and data travel throughout the layout.
Service Set Identifier

4. Examples of valid WEP (Wired Equivalent Privacy) key lengths
MultiProtocol Label Switching
Split the scope addresses between the servers assigning 192.168.0.1 through 192.168.0.127 for the PDC (Primary Domain Controller) and 192.168.0.128 through 192.168.0.254 for the BDC (Backup Domain Controller).
2.4 GHz (Gigahertz).
40 bit - 128 bit - 64 bit

5. List the benefits of a bus topology
Easy to install - Inexpensive - Less actual cable required
Post Office Protocol 3
Bus
Internet Service Provider

6. Which one of the following choices is the MOST secure place to store tape backups?
Firewall
the NIC (Network Interface Card) is bad.
In a locked room in an offsite location
Industry Standards Organization

7. Which command generated the following output? Active Connections Proto Local Address Foreign Address State TCP CompA:3006 192.168.0.2:Microsoft Established TCP CompA:3021 192.168.0.246:HTTP Established
10 GBASE-LR
1000BASE-LX and10 GBASE-LR
Trivial File Transfer Protocol
netstat

8. Which protocol does a diskless workstation use to obtain a network address?
Hybrid hub
BootP (Boot Protocol)
Network Address Translation
The device ID (Identification)

9. AC means...
Alternating Current
10
CSU / DSU (Channel Service Unit / Data Service Unit)
Hypertext transfer protocol

10. Which one of the following devices connects a network segment to a public telephone network?
PDC (Primary Domain Controller)
Media Access Control
CSU / DSU (Channel Service Unit / Data Service Unit)
1

11. On what Port is SUN RPC?
Intrusion Detection System
Public Switched Telephone Network
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
111

12. A firewall differs from a proxy server in that a proxy server operates at which of the following levels of the OSI (Open Systems Interconnect) model?
Application
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.
Transport
Industry Standards Organization

13. DSL means...
Trivial File Transfer Protocol
Transmission Control Protocol/Internet Protocol
Multipurpose Internet Mail Extension
Digital Subscriber Line

14. A rogue residential gateway has been installed in a network. It is running DHCP (Dynamic Host Configuration Protocol). If the computers have static IP (Internet Protocol) addresses assigned - what problems might exist on the network?
All hosts can communicate.
Any network device with an IP address
CSU / DSU (Channel Service Unit / Data Service Unit)
There will be no Internet access.

15. A user is booting a workstation and suddenly receives a message stating that a duplicate IP (Internet Protocol) address is in use on the network. Which of the following commands can be used to troubleshoot the problem?
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
rp
Direct Current
Provides remote users with access to the network through modems and an IP connection

16. IIS Means...
D. Switch and bridge
1
Internet Information Services
Make certain the web site has an external DNS (Domain Name Service) name and a public IP address - and that port 80 is open on the router.

17. IP means...
MT-RJ (Mechanical Transfer-Registered Jack)
DNS
Intrusion Detection System
Internet Protocol

18. MAC Means...
161 & 162
Manages network applications
Media Access Control
Wireless Access Point

19. Which of the following options allows for secure communication over the Internet?
Public Switched Telephone Network
110
These are the FTP ports. Port 20 handles data and Port 21 provides control.
VPN (Virtual Private Network)

20. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
Industry Standards Organization
802.11a.
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
Network Address Translation

21. A client accessing a network share folder has authenticated into the system and has full access rights to a folder share. But after opening the file they find they cannot modify the files contents. What is the likely cause?
Peer-To-Peer and Client-Server
10 GBASE-LR
DNS (Domain Name Service) server settings
The file has been opened by another user and is open for read only.

22. NTP means...
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
Network Time Protocol
Asynchronous Transfer Mode
1433

23. GPS means...
Point to Point Tunneling Protocol
Global Positioning System
Each computer is directly connected to other computers in the same network and data flows in a circle shape from computer to computer and eventually back to the source. This topology isn't very popular because it's not easily scalable and the cable r
CSU / DSU (Channel Service Unit / Data Service Unit)

24. A network administrator is in charge of a large corporate network containing a DNS (Domain Name Service) server - DHCP (Dynamic Host Configuration Protocol) server - and an internal web server. One particular subnet is experiencing trouble with Inter
Transport
802.2
IMAP (Mail Client)
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients

25. ACL means...
802.2
Access Control List
SMTP Server
6

26. A user has set up filtering on an Internet router. The local SMTP (Simple Mail Transfer Protocol) server has stopped sending or receiving messages from the Internet. What is the cause of the problem?
Network File System
22
ICMP (Internet Control Message Protocol)
The Internet router is blocking port 25.

27. On what Port is HTTPS/ SSL?
New Technology File System
443
Primary Rate Interface
8080

28. What functionality does Kerberos provide?
Authentication
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
MAC (Media Access Control) address
Domain Name Service OR Domain Name Server

29. What is DHCP? What is its key attribute?
Bluetooth enabled cell phones
Proxy server
Hybrid hub
Dynamic Host Configuration Protocol - a network service that assigns IP addresses to clients. Should remember that it uses scopes to manage any excluded/ static IP addresses.

30. In a fully Meshed network - every node has a connection to every other node - 7+6+5+4+3+2+1=28 Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
Computers are connected to one central point w/ their own individual cables or wireless connections. This topology offers advantages over the bus topology and is used more often despite having more physical requirements than the bus topology. Benefit
135-139
SSL (Secure Sockets Layer)
CSU / DSU (Channel Service Unit / Data Service Unit)

31. What is LEAP?
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.
Physical
An eight-position connector which uses UTP (Unshielded Twisted Pair).
Wireless Access Point

32. On what Port is RDP?
Access Control List
3389
Telnet
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.

33. A packet filtering firewall operates at which layers of the OSI (Open Systems Interconnect) model?
8080
Peer-To-Peer and Client-Server
Intrusion Detection System
Network and Transport

34. NAC means...
Network Access Control
Split the scope addresses between the servers assigning 192.168.0.1 through 192.168.0.127 for the PDC (Primary Domain Controller) and 192.168.0.128 through 192.168.0.254 for the BDC (Backup Domain Controller).
An old microwave oven is being used in the break room which causes interference with the access point.
Extranet

35. RADIUS (Remote Authentication Dial-In User Service) provides which functionality for remote access?
passing a username and password in plaintext.
Secure Shell
Verification
An eight-position connector which uses UTP (Unshielded Twisted Pair).

36. A firewall can be used to prevent which of the following?
Packets from entering and leaving a network
The amber light is flashing occasionally and the green light is lit steadily.
The Internet router is blocking port 25.
NFS (Network File System)

37. A technician is troubleshooting a problem on a network using a utility to capture the packets. When the technician reviews the captured data they have only captured broadcast packets and packets from their own computer. What is the reason for this?
Post Office Protocol
They are connected to a switch when trying to capture packets.
Network Interface Card
Port 20 must also be unblocked.

38. GSM means...
10
A. 18 -000 feet (5 -486.4 meters)
Global System for Mobile Communications
Media Access Unit - Media attachment Unit

39. What is OSPF?
PPP (Point-to-Point Protocol)
Dynamic Host Configuration Protocol - a network service that assigns IP addresses to clients. Should remember that it uses scopes to manage any excluded/ static IP addresses.
Open Source Path First - this is a routing protocol
SQL Server

40. What is IP?
Internet Protocol
To decrease network congestion Answer: D
nslookup
ICMP (Internet Control Message Protocol)

41. All of the following options transmit data over a modem EXCEPT...
Network Address Translator
T1 (T-Carrier Level 1).
53
1000BASE-LX and10 GBASE-LR

42. EMI means...
Industry Standards Organization
Electromagnetic Interference
40 bit - 128 bit - 64 bit
IMAP (Mail Client)

43. A network administrator notices in his secure wireless office that many of his wireless client machines constantly lose network connectivity. The wired clients never have downtime. Theadministrator also notices that the wireless clients all lose conn
They are connected to a switch when trying to capture packets.
Application
Check the connection from the WAP (Wireless Access Point) to the network
Trivial File Transfer Protocol

44. NFS Means...
Network File System
This IP (Internet Protocol) address cannot be pinged remotely.
Hypertext transfer protocol
Point-to-Point Tunneling Protocol

45. A company wants to have an intranet. Where would the intranet web server be located in the network?
Hypertext transfer protocol over secure sockets layer.
48 bits.
In the LAN (Local Area Network)
Integrated Services digital Network

46. What is on Ports 135-139?
The 'memo maker' that sends and receives paperless faxes over the network
NetBios
Basic Rate Interface
Packets from entering and leaving a network

47. SSL Means...
Internetwork Packet Exchange/Sequenced Packet Exchange
Computers are connected to one central point w/ their own individual cables or wireless connections. This topology offers advantages over the bus topology and is used more often despite having more physical requirements than the bus topology. Benefit
As a way to share resources and information
Secure Sockets Layer

48. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) copper cable standard?
Post Office Protocol
1000BASE-CX
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
Secure Sockets Layer

49. What is Multicast Transmission?
Check the connection from the WAP (Wireless Access Point) to the network
A transmission method in which data is sent from a server to specific nodes that are defined as members of a multicast group. Network nodes not in the group ignore the data.
Manages printers on the network
The 'memo maker' that sends and receives paperless faxes over the network

50. ISO Means...
Hybrid hub
In a locked room in an offsite location
TFTP (Trivial File Transfer Protocol)
Industry Standards Organization