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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 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?
PDC (Primary Domain Controller)
The Internet router is blocking port 25.
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
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

2. MAN Means...
Metropolitan Area Network
Wireless Fidelity
Network Address Translation
Client - protocol - and adapter

3. Which of the following connectors will be required for a RAS (Remote Access Service) server accepting four incoming dial-up connections to connect to the PSTN (Public Switched Telephone Network)?
Internet connection
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
RJ-11 (Registered Jack)
Forward the packets to all ports except the one that originated the request

4. IIS Means...
20 & 21
Time domain reflectometer
WEP (Wired Equivalent Privacy)
Internet Information Services

5. List the drawbacks of a star topology
Transmission Control Protocol
larger subnet masks.
Initial installation cost may be higher - One central single point of failure (the hub or other device)
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)

6. On what Port is SNMP?
User Datagram Protocol. This protocol is connectionless and routable.
100BASE-FX Answer: D
161 & 162
Wired Equivalent Privacy

7. 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?
Simple Network Management Protocol
Time domain reflectometer
23
ICMP (Internet Control Message Protocol)

8. Which one of the following will affect the range of an 802.11b WAP (Wireless Access Point)?
802.11b
File Transfer Protocol
Point to Point Tunneling Protocol
A long length of antenna extension cable

9. 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.
Secure Sockets Layer
Global Positioning System
The capability of a computer or a network system to respond to a condition automatically - often resolving it - reducing the impact on the system.

10. What is Broadcast Transmission?
Global Positioning System
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.
Bayonet-Neill-Concelman or British Naval Connector
SMTP Server

11. What is NAT?
10
Network Address Translator
25
Asynchronous Transfer Mode

12. Which one of the following is an IEEE (Institute of Electrical and Electronics Engineers) copper cable standard?
1000BASE-CX
1433
Check the connection from the WAP (Wireless Access Point) to the network
Internet Protocol

13. What is on Ports 20 and 21?
To decrease network congestion Answer: D
These are the FTP ports. Port 20 handles data and Port 21 provides control.
Challenge Handshake Authentication Protocol
A striped set array with parity

14. What is RARP?
User Datagram Protocol. This protocol is connectionless and routable.
Proxy
Network News Transfer Protocol
Reverse Address Resolution Protocol.

15. TCP/IP Means;
Internet Information Services
Wired Equivalent Privacy
nslookup
Transmission Control Protocol/Internet Protocol

16. An Ethernet MAC (Media Access Control) address consists of...
Change the LANs (Local Area Network) WAP (Wireless Access Point) channel to a different channel than the other two WAPs (Wireless Access Point)
40 bit - 128 bit - 64 bit
48 bits.
Electromagnetic Interference

17. What is on Port 1433?
Physical
SQL Server
6
Firewall

18. Which of the following is a self-assigned address based on APIPA (Automatic Private Internet Protocol Addressing)?
169.254.1.1
Port Address Translator
PPTP (Point-to-Point Tunneling Protocol)
Packets from entering and leaving a network

19. List the benefits of a star topology

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20. There is a suspected SMTP (Simple Mail Transfer Protocol) virus on the workstation. E-mail programs are not currently running. Which of the following utilities should be run to see if there are any open SMTP (Simple Mail Transfer Protocol) sockets?
netstat
Plain Old Telephone Service
20 & 21
8080

21. On what Port is Telnet?
1
Two or more connected computers that can share resources
Handles e-mail functions
23

22. The Spanning-Tree Protocol allows for redundancy of what networking device?
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
802.11b
Bridge
Problematic workstations have cached the old IP (Internet Protocol) address of the server.

23. How many concurrent connections can a Windows 2000 Professional computer support on a single share?
There are too many collisions occurring in traffic. Disconnect each network card individually to find and replace the one that is broadcasting.
10
These are the FTP ports. Port 20 handles data and Port 21 provides control.
Handles tasks in the place of other machines on the network

24. IDS means...
Wireless Fidelity
Intrusion Detection System
IMAP (Mail Client)
Token passing

25. IP means...
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
Internet Protocol
Hard to troubleshoot - Difficult to change or move - Doesn't offer much fault tolerance
Hybrid hub

26. What is the maximum length of a gigabit Ethernet segment using MMF (MultiMode Fiber) optic cable?
cold site.
ping
550 meters (1 -804.46 feet)
2

27. 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?
25
Application
Periodically (randomly) blinking
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.

28. On what Port is TFTP?
Transmission Control Protocol/Internet Protocol
69
User Datagram Protocol. This protocol is connectionless and routable.
Packets from entering and leaving a network

29. MAC Means...
File Transfer Protocol
Wired Equivalent Privacy
Media Access Control
Internet Control Message Protocol

30. Describe a star topology
Internet Information Services
Re-enter the username and password in the VPN (Virtual Private Network) connection and reconnect
WINS (Windows Internet Name Service)
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

31. 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
The analyzer is functioning properly.
53
Basic Input/Output System
Public Key Infrastructure

32. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
Router
802.11
128 bit addresses
Wired Equivalent Privacy

33. What is on Port 53?
POP3
DNS
SMTP Server
The device ID (Identification)

34. WPA Means...
Wireless Protected Access
D. Switch and bridge
raphical User Interface
Network Address Translation

35. What is on Port 443?
HTTPS/ SSL
IMAP (Mail Client)
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
Windows Internet Name Service

36. A user complains that they can no longer access resources on the network. The user is unable to ping other nodes and ipconfig returns an IP (Internet Protocol) address that is not in the correct subnet. What is the problem?
Put a router between the two network segments
Server Message Block OR Small-to-Midsize Business
111
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.

37. Which two utilities can be used to find out what IP (Internet Protocol) address resolves from a domain name?
rlogin
Direct Current
netstat and ping
Physical

38. What is on Port 25?
SMTP Server
The analyzer is functioning properly.
10 GBASE-LR
Multipurpose Internet Mail Extension

39. An administrator changes the lease time of the DHCP (Dynamic Host Configuration Protocol) scope from one week to one day. What affect will this have on the end users?
A network map showing exactly how data moves through the network.
The users will not be affected by the change.
NFS (Network File System)
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)

40. EMI means...
CSU / DSU (Channel Service Unit / Data Service Unit)
Lightweight Extensible Authentication Protocol. This is a Cisco proprietary solution.
rlogin
Electromagnetic Interference

41. PKI means...
Hypertext transfer protocol over secure sockets layer.
Public Key Infrastructure
Port Address Translator
netstat and ping

42. Servers

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43. Which one of the following will interfere with an IEEE (Institute of Electrical and Electronics Engineers) 802.11b access point?
Transmission Control Protocol/Internet Protocol
Post Office Protocol 3
Asynchronous Transfer Mode
Bluetooth enabled cell phones

44. What is CHAP?
Wireless Fidelity
Challenge Handshake Authentication Protocol
Global System for Mobile Communications
PPP (Point-to-Point Protocol)

45. Which one of the following is a purpose for subnetting?
To decrease network congestion Answer: D
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.
Extranet
802.11b

46. Which OSI (Open Systems Interconnect) layer provides interfaces to the user that enable programs to use network services?
Application
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time
53
A long length of antenna extension cable

47. AC means...
Switches - bridges - and NICs (Network Interface Card)
Alternating Current
A striped set array with parity
Intrusion Detection System

48. GPS means...
TCP / IP (Transmission Control Protocol / Internet Protocol)
Global Positioning System
Proxy Server
Bayonet-Neill-Concelman or British Naval Connector

49. IPX Means...
Alternating Current
Internetwork packet exchange
3.1
larger subnet masks.

50. What is DHCP? What is its key attribute?
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)
Any device on the network that can ask for access to resources
traceroute
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.