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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 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?
Manages web-based activities by running Hypertext Transfer Protocol (HTTP) for storing web content and accessing web pages
They get their name because they truly are 'at the service' of the network and run specialized software for the network's maintenance and control known as the network operating system. Sometimes servers have more than one job. But whether servers are
Post Office Protocol 3
rp

2. IMAP Means...
Internet mail access protocol
Quality of Service
111
Internet connection

3. To increase the number of available IP (Internet Protocol) addresses - IPv6 (Internet Protocol version 6) uses which one of the following options?
72.16.16.1
Basic Input/Output System
An exact duplicate of the infrastructure is mirrored offsite.
128 bit addresses

4. A network has been set up for DHCP (Dynamic Host Configuration Protocol) services using a PDC (Primary Domain Controller) and BDC (Backup Domain Controller) each with a range of 192.168.0.1 to192.168.0.254 using a class subnet of 255.255.255.0. DHCP
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).
Service Set Identifier
Network Access Control
25

5. CPU means...
128 bit addresses
Central Processing unit
Peer-To-Peer and Client-Server
BootP (Boot Protocol)

6. What is Multicast Transmission?
802.2
Remote Desktop Protocol
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.
Check the connection from the WAP (Wireless Access Point) to the network

7. 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?
The users will not be affected by the change.
Application
Open Source Path First - this is a routing protocol
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).

8. What are the two main network types?
Peer-To-Peer and Client-Server
Lightweight Directory Access Protocol
802.11
Alternating Current

9. Workstations

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10. GSM means...
Global System for Mobile Communications
ICMP (Internet Control Message Protocol)
161 & 162
Network Address Translator

11. Which two utilities can be used to find out what IP (Internet Protocol) address resolves from a domain name?
It is an address assigned to a NIC (Network Interface Card).
40 bit - 128 bit - 64 bit
netstat and ping
MAC (Media Access Control) address

12. Describe a star topology
Service Set Identifier
Lightweight Directory Access Protocol
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire 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

13. On what Port is the SMTP Server?
Wireless Protected Access
25
The Internet router is blocking port 25.
As a way to share resources and information

14. Logical Topology
Industry Standards Organization
Authentication
111
A network map showing exactly how data moves through the network.

15. POP3 Means...
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
802.11
Post Office Protocol 3
Put a router between the two network segments

16. On what Port is SQL Server?
SSH
1433
In the LAN (Local Area Network)
Uniform Resource Locator

17. 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
MAC (Media Access Control) address
The device ID (Identification)
Internet connection

18. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards has a longer maximum distance than 100 meters (328 feet)?
Global System for Mobile Communications
HTTPS/ SSL
Border Gateway Multicast Protocol - A routing protocol for router to router activity.
100BASE-FX Answer: D

19. A network has grown to include seventy 24 port Ethernet switches and has decreased in performance steadily as new switches are added. What adjustments can be made to the infrastructure to improve the performance?
Check the connection from the WAP (Wireless Access Point) to the network
802.11a.
80
Implement VLANs (Virtual Local Area Network)

20. 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
User Datagram Protocol. This protocol is connectionless and routable.
cold site.
DNS

21. WLAN Means...
RJ-11 (Registered Jack)
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.
Wireless LAN
New Technology File System

22. A companys disaster recovery plan requires that a hot site be maintained for fault tolerance. Which of the following would achieve this goal?
SUN RPC
The users will not be affected by the change.
An exact duplicate of the infrastructure is mirrored offsite.
The file has been opened by another user and is open for read only.

23. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) fiber optic standard?
Physical
10 GBASE-LR
Forward the packets to all ports except the one that originated the request
Internet Control Message Protocol

24. Examples of valid WEP (Wired Equivalent Privacy) key lengths
40 bit - 128 bit - 64 bit
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).
User Datagram Protocol
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.

25. 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)?
RJ-11 (Registered Jack)
Periodically (randomly) blinking
Open Source Path First - this is a routing protocol
Bayonet-Neill-Concelman or British Naval Connector

26. What is ARP? What are some of its attributes?
Simple Network Management Protocol
rlogin
Address Resolution Protocol. Has no error control.
Intrusion Detection System

27. Why did we develop networking?
As a way to share resources and information
25
Wireless Fidelity
53

28. Which of the following choices describes an RJ-45 (Registered Jack) connector?
Integrated Services digital Network
Windows Internet Name Service
PPTP (Point-to-Point Tunneling Protocol)
An eight-position connector which uses UTP (Unshielded Twisted Pair).

29. 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
Client-server networks are the opposite of peer-to-peer networks. A single server uses a network operating system for managing the entire network.
Enable infrastructure mode and obtain the IP (Internet Protocol) address automatically on all clients
bytes 1-3
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.

30. The 802.11 frequency band is...
Remote Desktop Protocol
2.4 GHz (Gigahertz).
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
Exterior Gateway Protocol

31. At which layer of the OSI (Open Systems Interconnect) model does UDP (User Datagram Protocol) reside?
TFTP (Trivial File Transfer Protocol)
Application
Transport
Forward the packets to all ports except the one that originated the request

32. 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?
CSU / DSU (Channel Service Unit / Data Service Unit)
MultiProtocol Label Switching
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
A network map defining the specific characteristics of a network such as where workstations and other devices are located and the arrangement of all the physical media such as cables.

33. UDP Means...
169.254.1.1
User Datagram Protocol
Handles tasks in the place of other machines on the network
CSU / DSU (Channel Service Unit / Data Service Unit)

34. Given the output: 1.pgw (129.6.80.254) * 4ms 3ms 2.129.6.1.245 (129.6.1.245) 4ms 3ms * 3.129.6.2.252 (129.6.2.252) 5ms 5ms 4ms Which of the following commands causes the results above?
traceroute
Gateway
HTTP
3389

35. Given the MAC address 00:B0:D0:5A:E1:B5 - what does 5A:E1:B5 identify?
Domain Name Service OR Domain Name Server
The device ID (Identification)
8080
443

36. IPSEC means...
8080
Windows Internet Name Service
It is an address assigned to a NIC (Network Interface Card).
Internet Protocol Security

37. What is on Port 143?
Provides remote users with access to the network through modems and an IP connection
Any network device with an IP address
IMAP (Mail Client)
Alternating Current

38. Which one of the following is true concerning bridges and their forwarding decisions?
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
Bridges operate at OSI (Open Systems Interconnect) Layer 2 and use MAC (Media Access Control) addresses to make decisions.
Trivial File Transfer Protocol
T1 (T-Carrier Level 1).

39. What is EGP?
Router
the NIC (Network Interface Card) is bad.
Internet Protocol Security. This is the defacto standard for VPN security.
Exterior Gateway Protocol

40. What is on Port 53?
Bayonet-Neill-Concelman or British Naval Connector
CSU / DSU (Channel Service Unit / Data Service Unit)
Exterior Gateway Protocol
DNS

41. 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
It is an address assigned to a NIC (Network Interface Card).
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.
netstat
raphical User Interface

42. DHCP means...
Alternating Current
PPP (Point-to-Point Protocol)
Dynamic Host Configuration Protocol
DNS (Domain Name Service) server settings

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
Plain Old Telephone Service
Firewall
128 bit addresses
Check the connection from the WAP (Wireless Access Point) to the network

44. What is on Port 389?
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)
Network Interface Card
Global System for Mobile Communications
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)

45. What is on Port 3389?
Media Access Control
User Datagram Protocol. This protocol is connectionless and routable.
RDP/ Terminal Services
CSU / DSU (Channel Service Unit / Data Service Unit)

46. What is on Port 23?
Local Area Network
Telnet
Challenge Handshake Authentication Protocol
Global System for Mobile Communications

47. What is PAT?
Peer-To-Peer and Client-Server
Port Address Translator
100BASE-FX Answer: D
Presentation

48. Which one of the following security protocols creates a secure connection over the Internet?
All workstations except Workstation 3 can communicate to each other.
This IP (Internet Protocol) address cannot be pinged remotely.
L2TP (Layer 2 Tunneling Protocol)
Lightweight Directory Access Protocol

49. What is on Ports 20 and 21?
MT-RJ (Mechanical Transfer-Registered Jack)
cold site.
Multipurpose Internet Mail Extension
These are the FTP ports. Port 20 handles data and Port 21 provides control.

50. LAN Local Area Network
802.11
Gateway
Reverse Address Resolution Protocol.
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)