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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. This is not an IP (Internet Protocol) addresses.
72.16.16.1
Exterior Gateway Protocol
SMTP Server
80

2. A client workstation can authenticate user names and passwords to which type of server?
SMTP Server
Internet Protocol
53
PDC (Primary Domain Controller)

3. Which digital interface device is used to connect to a local service providers digital T1 (T-Carrier Level 1) or E1 network?
80
Bayonet-Neill-Concelman or British Naval Connector
CSU / DSU (Channel Service Unit / Data Service Unit)
172.192.4.256

4. Examples of valid WEP (Wired Equivalent Privacy) key lengths
40 bit - 128 bit - 64 bit
172.192.4.256
Firewall
72.16.16.1

5. Why did we develop networking?
Internet Protocol
As a way to share resources and information
Post Office Protocol 3
Basic Rate Interface

6. DOS means...
Extranet
Two or more connected computers that can share resources
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
Disk Operating System or Denial of Service

7. What is on Port 22?
Media Access Control
A transmission method in which data is transferred from a specific source address to a specific destination address. (Network nodes not involved in the transfer ignor the transmission.)
Internetwork Packet Exchange/Sequenced Packet Exchange
SSH

8. A user complains that they are unable to connect to a remote server using either FTP (File Transfer Protocol) or Telnet - although the user was able to connect yesterday. Which of the following commands is used to troubleshoot the problem?
SUN RPC
ping
Internet Information Services
Plain Old Telephone Service

9. A small company connected to the Internet through a SOHO (Small Office / Home Office) router wants to make an internal web server public on the Internet. Computers on the LAN can access the web pages but Internet users cannot. What should be done to
Internet Service Provider
TFTP (Trivial File Transfer Protocol)
SQL Server
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.

10. PPP Means...
Point-to-Point Protocol
WEP (Wired Equivalent Privacy)
A transmission method in which data goes form a source node to all other nodes on a network. Each node receives the data and acts on it - which can generate a great deal of network traffic.
Internet Protocol

11. PKI means...
Public Key Infrastructure
Network Time Protocol
Transmission Control Protocol
encapsulating the data payload.

12. List the drawbacks of a star topology
53
Primary Rate Interface
Initial installation cost may be higher - One central single point of failure (the hub or other device)
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients

13. To increase the number of available IP (Internet Protocol) addresses - IPv6 (Internet Protocol version 6) uses which one of the following options?
128 bit addresses
Connect Workstation 6 and Workstation 2 using a barrel connector
Gateway
Remote Desktop Protocol

14. An Ethernet MAC (Media Access Control) address consists of...
802.1x
The analyzer is functioning properly.
Light Emitting Diode
48 bits.

15. POP Means...
111
Periodically (randomly) blinking
Post Office Protocol
550 meters (1 -804.46 feet)

16. BRI Means...
bytes 1-3
The file has been opened by another user and is open for read only.
Basic Rate Interface
Network Interface Card

17. Given the following output - which utility was used? Default Server: bigserver.datacenter.com Address: 4.12.18.1
Hypertext transfer protocol
nslookup
These are the FTP ports. Port 20 handles data and Port 21 provides control.
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.

18. What is EAP? What is it used for?
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
8080
Internet Protocol
Multipurpose Internet Mail Extension

19. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses
443
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance
1000BASE-LX and10 GBASE-LR
The 'memo maker' that sends and receives paperless faxes over the network

20. What enables a UNIX computer to access exported file systems from other UNIX computers?
Usually restricted to spanning a particular geographic location such as an office building - a single department within a corporate office - or even a home office)
Router
A network map showing exactly how data moves through the network.
NFS (Network File System)

21. An administrator is unsuccessful when attempting to ping a network device on a remote site with a firewall in between. In order for the administrator to be successful - what protocol needs to be allowed through the firewall?
Network and Transport
ICMP (Internet Control Message Protocol)
The analyzer is functioning properly.
1000BASE-LX and10 GBASE-LR

22. List the drawbacks of a ring topology
Data Link
Stores and dispenses files
Basic Input/Output System
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant

23. A technician just installed a new NIC (Network Interface Card) in a computer and attached a cable to connect the computer to a hub. Assuming the NIC (Network Interface Card) is functioning correctly and the network is up - which of the following will
Token passing
Disk Operating System or Denial of Service
ping
The amber light is flashing occasionally and the green light is lit steadily.

24. Each of the following wireless standards use a 2.4 GHz (Gigahertz) ISM (Industrial - Scientific - and Medical) band EXCEPT...
802.11a.
10 GBASE-LR
A. 18 -000 feet (5 -486.4 meters)
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect

25. The system administrator performs full backups on Sundays. Incremental backups are performed every day EXCEPT Sunday. The backups start at 10 a.m. and end by 12 p.m. The system crashes on Wednesday night. Which tapes must be used to restore data?
To decrease network congestion Answer: D
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
161 & 162
Handles tasks in the place of other machines on the network

26. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
Select the most probable cause
Port 20 must also be unblocked.
802.11
Secure Sockets Layer

27. An 802.11a/b/g access point is installed in a computer lab. An administrator has a client that is based on 802.11g technology. There are times when the client slows or stops working entirely. What is the cause of the problem?
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Internet Information Services
MultiProtocol Label Switching
Wireless Protected Access

28. TCP means...
Networked Basic Input/Output System Extended User Interface
Transmission Control Protocol
CSU / DSU (Channel Service Unit / Data Service Unit)
A. 18 -000 feet (5 -486.4 meters)

29. A network administrator is troubleshooting connectivity from a client machine. An error message that reads 'Page Cannot be Displayed' is shown in the browser whenever a FQDN (Fully Qualified Domain Name) is typed in the address bar. However - if the
40 bit - 128 bit - 64 bit
SSL (Secure Sockets Layer)
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.
53

30. A Windows 2000 work station has a TCP / IP (Transmission Control Protocol / Internet Protocol) address of 169.254.12.1. Which statement describes the state of the computers TCP / IP (Transmission Control Protocol / Internet Protocol) configuration?
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.
POP3
100BASE-FX Answer: D
Presentation

31. What is on Port 80?
Internet mail access protocol
Telnet
HTTP
192.168.96.254

32. Name the seven most common physical topologies
Data Link
3.1
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid
161 & 162

33. On what Port is NetBios?
135-139
Transmission Control Protocol
passing a username and password in plaintext.
10 GBASE-LR

34. Which of the following is used to translate NetBIOS (Network Basic Input / Output System) names
Problematic workstations have cached the old IP (Internet Protocol) address of the server.
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
WINS (Windows Internet Name Service)
The device ID (Identification)

35. Six workstations that are numbered 1-6 are installed sequentially in a physical ring topology. Workstation 1 fails. How can the network administrator remove Workstation 1 for service without moving the other workstations?
L2TP (Layer 2 Tunneling Protocol)
Connect Workstation 6 and Workstation 2 using a barrel connector
Router
Application

36. Which networking device works at the upper three layers of the OSI (Open Systems Interconnect) and connects networks with different architectures?
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
Proxy
Point-to-Point Protocol
Gateway

37. In which OSI (Open Systems Interconnect) layer does a bridge operate?
SUN RPC
Exterior Gateway Protocol
Router
Data Link

38. SMB Means...
the NIC (Network Interface Card) is bad.
Network Access Control
A striped set array with parity
Server Message Block OR Small-to-Midsize Business

39. A small office network with ten computers uses a cable modem and router to connect to the Internet and distribute services to clients. After several weeks of use - the routers collision LED (Light Emitting Diode) has begun to stay on permanently. Wha
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
2
Manages network applications
All hosts can communicate.

40. NIC means...
Routing Internet Protocol
Integrated Services digital Network
Network Interface Card
Time domain reflectometer

41. MAC Means...
Media Access Control
Presentation
Telnet
Public Switched Telephone Network

42. An administrator has been called to consult on a network. After receiving network traffic statistics - the administrator notices that there is an abnormally high amount of DHCP (Dynamic Host Configuration Protocol) traffic. What recommendation would
A 2.4 GHz (Gigahertz) cordless telephone is in use.
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time

43. BIOS Means...
Two or more connected computers that can share resources
Network Time Protocol
The analyzer is functioning properly.
Basic Input/Output System

44. What is TCP?
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
Internet Protocol Security. This is the defacto standard for VPN security.
The device ID (Identification)
Transmission Control Protocol

45. Which one of the following standards has a maximum data rate of 11 Mbps (Megabits per second)?
802.11b
TFTP (Trivial File Transfer Protocol)
443
Reverse Address Resolution Protocol.

46. What is on Port 111?
SUN RPC
A long length of antenna extension cable
Asynchronous Transfer Mode
1433

47. What is NAT?
1000BASE-CX
Transmission Control Protocol
SQL Server
Network Address Translator

48. An employee needs to access the internal secure company web site from a hotel. The employee will need which of the following connections?
Internet connection
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
NetBios
Industry Standards Organization

49. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) copper cable standard?
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
NetBios
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
1000BASE-CX

50. 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?
gateway.
Routing Information Protocol
The Internet router is blocking port 25.
An eight-position connector which uses UTP (Unshielded Twisted Pair).