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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 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.
Wired Equivalent Privacy
Bluetooth enabled cell phones
A network map showing exactly how data moves through the network.

2. Describe a bus topology
Sys Log (Unix) or Event Manager (Windows)
Any network device with an IP address
Consists of two distinct and terminated ends with each computer connected to one unbroken cable running its entire length. All of the computers can see all of the data flowing through but the only one computer the data is addressed to will actually g
Uniform Resource Locator

3. What is TCP?
SSH
DNS
rp
Transmission Control Protocol

4. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
TFTP (Trivial File Transfer Protocol)
802.11
Plain Old Telephone Service
10 GBASE-LR

5. 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
Port 20 must also be unblocked.
WINS (Windows Internet Name Service)
T1 (T-Carrier Level 1).

6. Fax Server

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7. Client-Server Networks
The file has been opened by another user and is open for read only.
Manages network applications
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
Internetwork Packet Exchange/Sequenced Packet Exchange

8. 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?
Connect Workstation 6 and Workstation 2 using a barrel connector
An exact duplicate of the infrastructure is mirrored offsite.
Direct Current
802.1x

9. 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
53
389
Gateway
Select the most probable cause

10. Which fiber connector looks similar to an RJ-45 (Registered Jack) connector and connects two strands of fiber?
MT-RJ (Mechanical Transfer-Registered Jack)
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)
Handles tasks in the place of other machines on the network
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance

11. Which two devices both operate at the same layer of the OSI (Open Systems Interconnect) model?
Domain Name Service OR Domain Name Server
D. Switch and bridge
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
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D

12. On a switched Ethernet network that is operating perfectly - what is the state in which a user will find the activity LED (Light Emitting Diode)?
550 meters (1 -804.46 feet)
In a locked room in an offsite location
Periodically (randomly) blinking
Internet Protocol

13. Which physical topology is used by a 10BASE2 network?
Bus
Handles tasks in the place of other machines on the network
Hypertext transfer protocol
Internet Protocol Security

14. While reviewing network traffic statistics - technicians have noticed that there is an abnormally high amount of DNS (Domain Name Service) traffic. What recommendation would help reduce traffic?
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
Service Set Identifier
ping
Direct Current

15. Given the MAC address 00:B0:D0:5A:E1:B5 - what does 5A:E1:B5 identify?
Central Processing unit
Proxy Server
Extranet
The device ID (Identification)

16. Upon which devices can NAT (Network Address Translation) be used?
Global Positioning System
Public Switched Telephone Network
Firewall
File Transfer Protocol

17. What is the mechanism a DHCP (Dynamic Host Configuration Protocol) server uses to track which IP (Internet Protocol) address is assigned to a particular computer?
MAC (Media Access Control) address
In a locked room in an offsite location
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant
Switches - bridges - and NICs (Network Interface Card)

18. On what Port is HTTPS/ SSL?
Token passing
T1 (T-Carrier Level 1).
443
netstat and ping

19. What is UDP? What are some of its attributes?
Multipurpose Internet Mail Extension
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
User Datagram Protocol. This protocol is connectionless and routable.
Reverse Address Resolution Protocol.

20. A user connects to the companys intranet server via a VPN (Virtual Private Network) connection from a SOHO (Small Office / Home Office) using the broadband service. One day - the user cannot successfully connect to the VPN (Virtual Private Network) a
10 GBASE-LR
Public Switched Telephone Network
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
traceroute

21. What is on Port 110?
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).
POP3
SSL (Secure Sockets Layer)
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).

22. 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
Public Key Infrastructure
Wired Equivalent Privacy
In the LAN (Local Area Network)
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)

23. Logical Topology
Network News Transfer Protocol
CSU / DSU (Channel Service Unit / Data Service Unit)
A network map showing exactly how data moves through the network.
Easy to install - Inexpensive - Less actual cable required

24. Servers

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25. POP Means...
Telnet
20 & 21
Post Office Protocol
A network map showing exactly how data moves through the network.

26. DSL means...
Digital Subscriber Line
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).
8080
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid

27. Wi-Fi Means...
Wireless Fidelity
Fully Qualified Domain Name
Network News Transfer Protocol
MultiProtocol Label Switching

28. All of the following are true statements about private IP (Internet Protocol) addressing EXCEPT...
Run more than one central processing unit (CPU) and whose resources are available to other users on the network to access when needed. Something this powerful is typically referred to only as a server today. Don't confuse workstations with client mac
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).
A long length of antenna extension cable
WINS (Windows Internet Name Service)

29. On what Port is the SMTP Server?
Internet Protocol
Wired Equivalent Privacy
100 Mbps (Megabits per second)
25

30. A firewall can be used to prevent which of the following?
Packets from entering and leaving a network
20 & 21
8080
Trivial File Transfer Protocol

31. NIC means...
Presentation
Consists of two distinct and terminated ends with each computer connected to one unbroken cable running its entire length. All of the computers can see all of the data flowing through but the only one computer the data is addressed to will actually g
Network Interface Card
25

32. PRI Means...
Extranet
IMAP (Mail Client)
Primary Rate Interface
POP3

33. MAN Means...
larger subnet masks.
802.2
Metropolitan Area Network
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire network

34. LED Means...
traceroute
It is an address assigned to a NIC (Network Interface Card).
User Datagram Protocol. This protocol is connectionless and routable.
Light Emitting Diode

35. DHCP means...
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.
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
passing a username and password in plaintext.
Dynamic Host Configuration Protocol

36. FQDN means...
RJ-11 (Registered Jack)
Fully Qualified Domain Name
Port 161 is SNMP and Port 162 is the SNMP Manager
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.

37. What is on Port 69?
TFTP (Trivial File Transfer Protocol)
As a way to share resources and information
A striped set array with parity
Any device on the network that can ask for access to resources

38. Which of the following options allows for secure communication over the Internet?
Routing Internet Protocol
Point-to-Point Protocol
Manages printers on the network
VPN (Virtual Private Network)

39. LAN Local Area Network
Point to Point Tunneling Protocol
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for 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.
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)

40. What is EAP? What is it used for?
Uniform Resource Locator
Extensible Authentication Protocol. It is used in 3rd party authentication providers/ multi-factor authentication.
The Internet router is blocking port 25.
802.11b

41. Workstations

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42. How are physical and logical topologies different?

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43. What is NAT?
WEP (Wired Equivalent Privacy)
Network Address Translator
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance
CSU / DSU (Channel Service Unit / Data Service Unit)

44. TDR means...
Domain Name Service OR Domain Name Server
10 GBASE-LR
Time domain reflectometer
Routing Internet Protocol

45. 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
Secure Shell
Point to Point Protocol
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
Extranet

46. What is on Port 53?
10 GBASE-LR
Transmission Control Protocol/Internet Protocol
encapsulating the data payload.
DNS

47. On what Port is SSH?
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
22
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
Network Interface Card

48. A workstation with a static IP (Internet Protocol) address can print and authenticate to a server - but cannot browse to www.comptia.org. What is the FIRST item to troubleshoot?
10 GBASE-LR
Handles tasks in the place of other machines on the network
DNS (Domain Name Service) server settings
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.

49. If a destination address is not in a bridges forwarding table - what will the bridge do?
Forward the packets to all ports except the one that originated the request
Plain Old Telephone Service
Access Control List
An old microwave oven is being used in the break room which causes interference with the access point.

50. NNTP Means...
Public Key Infrastructure
TFTP (Trivial File Transfer Protocol)
Bluetooth enabled cell phones
Network News Transfer Protocol