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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. EMI means...
Handles tasks in the place of other machines on the network
the NIC (Network Interface Card) is bad.
100BASE-FX Answer: D
Electromagnetic Interference

2. On what Port is POP3?
110
Institute of Electrical and Electronics Engineers
Increase the TTL (Time to Live) on the DNS (Domain Name Service) servers
550 meters (1 -804.46 feet)

3. GSM means...
Wireless Fidelity
Global System for Mobile Communications
Bluetooth enabled cell phones
Verification

4. ATM Means...
Open Source Path First - this is a routing protocol
TFTP (Trivial File Transfer Protocol)
Asynchronous Transfer Mode
Post Office Protocol

5. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses CSMA / CA (Carrier Sense Multiple Access / Collision Avoidance)?
File Transfer Protocol
550 meters (1 -804.46 feet)
802.11
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)

6. Logical Topology
NFS (Network File System)
WINS (Windows Internet Name Service)
A network map showing exactly how data moves through the network.
passing a username and password in plaintext.

7. List the drawbacks of a bus topology

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8. What is IPSEC? Why is it significant?
Network Time Protocol
New stations can be added easily and quickly - Scalable - Easier to troubleshoot - A single cable failure doesn't disable entire network
Internet Protocol Security. This is the defacto standard for VPN security.
Lightweight Directory Access Protocol

9. Which media access method is used for an IEEE (Institute of Electrical and Electronics Engineers) 802.5 network?
100 Mbps (Megabits per second)
Network Address Translation
Token passing
Dynamic Host Configuration Protocol

10. 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
bytes 1-3
Network and Transport
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).
80

11. Which of the following are classified as Layer 2 devices?
Basic Input/Output System
SMB (Server Message Block)
Switches - bridges - and NICs (Network Interface Card)
Stores and dispenses files

12. 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?
Network Access Control
Exterior Gateway Protocol
CSU / DSU (Channel Service Unit / Data Service Unit)
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes

13. Which one of the following communication protocols does a UNIX system primarily rely on?
TCP / IP (Transmission Control Protocol / Internet Protocol)
Primary Rate Interface
Public Key Infrastructure
Alternating Current

14. On what Port is SSH?
Direct Current
Application
22
169.254.1.1

15. 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
Transport
Check the connection from the WAP (Wireless Access Point) to the network
MT-RJ (Mechanical Transfer-Registered Jack)
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.

16. ISP Means...
Transmission Control Protocol
IMAP (Mail Client)
1
Internet Service Provider

17. At which layer of the OSI (Open Systems Interconnect) model does UDP (User Datagram Protocol) reside?
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).
Any network device with an IP address
Transport
Bluetooth enabled cell phones

18. What is Broadcast Transmission?
Data Link
Application
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.
Not scalable - Expensive - Difficult to reconfigure - move - or change - Not fault tolerant

19. LED Means...
MultiProtocol Label Switching
T1 (T-Carrier Level 1).
Light Emitting Diode
Global Positioning System

20. List the benefits of a star topology

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21. What is NAT?
SMB (Server Message Block)
Network Address Translator
69
514

22. NIC means...
Reverse Address Resolution Protocol.
Network Interface Card
Internet Protocol
DNS

23. IPX Means...
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D
Sundays full backup as well as Mondays - Tuesdays - and Wednesdays tapes
25
Internetwork packet exchange

24. 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
Physical
Internet Control Message Protocol
TFTP (Trivial File Transfer Protocol)
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time

25. If a destination address is not in a bridges forwarding table - what will the bridge do?
6
Forward the packets to all ports except the one that originated the request
111
WINS (Windows Internet Name Service)

26. When one connection to a host fails in a full mesh network - it means...
private IP (Internet Protocol) addresses must be obtained dynamically from the ISP (Internet Service Provider).
All hosts can communicate.
It is an address assigned to a NIC (Network Interface Card).
443

27. 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)
514
Internet connection
Quality of Service

28. Proxy Server
Internet Service Provider
RDP/ Terminal Services
Handles tasks in the place of other machines on the network
Someone has enabled an additional DHCP (Dynamic Host Configuration Protocol) server.

29. On what Port is SQL Server?
There will be no Internet access.
Manages printers on the network
Authentication
1433

30. On what Port is HTTP?
CSU / DSU (Channel Service Unit / Data Service Unit)
Internet Protocol Security
ifconfig
80

31. What is on Ports 135-139?
NetBios
Primary Rate Interface
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
Network News Transfer Protocol

32. Which one of the following options is a security standard for 802.11?
WEP (Wired Equivalent Privacy)
802.11
Primary Rate Interface
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid

33. 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.
100 Mbps (Megabits per second)
netstat
Password Authentication Protocol

34. What is TCP?
Two or more connected computers that can share resources
Institute of Electrical and Electronics Engineers
1
Transmission Control Protocol

35. ICMP means...
Internet Control Message Protocol
Hypertext transfer protocol over secure sockets layer.
Networked Basic Input/Output System Extended User Interface
Asynchronous Transfer Mode

36. Describe a star topology
cold site.
Eliminate any sources of RFI (Radio Frequency Interference) around the WAP (Wireless Access Point) Answer: D
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
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.

37. What is on Port 443?
D. Switch and bridge
The Internet router is blocking port 25.
HTTPS/ SSL
bytes 1-3

38. Which one of the following IEEE (Institute of Electrical and Electronics Engineers) standards uses
Lightweight Directory Access Protocol
1000BASE-LX and10 GBASE-LR
Basic Rate Interface
Central Processing unit

39. DHCP means...
The computer is set for DHCP (Dynamic Host Configuration Protocol) - but no DHCP (Dynamic Host Configuration Protocol) server is available for the network.
Internetwork packet exchange
Client - protocol - and adapter
Dynamic Host Configuration Protocol

40. Which one of the following choices is the MOST secure place to store tape backups?
An old microwave oven is being used in the break room which causes interference with the access point.
MultiProtocol Label Switching
In a locked room in an offsite location
Point-to-Point Tunneling Protocol

41. POP3 Means...
172.192.4.256
Internet Protocol Security
Post Office Protocol 3
Alternating Current

42. What is on Port 1433?
SQL Server
Check the connection from the WAP (Wireless Access Point) to the network
Point-to-Point Tunneling Protocol
Digital Subscriber Line

43. Name the seven most common physical topologies
Hypertext Markup Language
100BASE-FX Answer: D
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
Bus - Star - Ring - Mesh - Point-to-point - Point-to-multipoint - Hybrid

44. 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
As a way to share resources and information
Post Office Protocol 3
1433

45. All of the following Novell NetWare operating systems support NDS (NetWare Directory Services) natively EXCEPT...
Any device on the network that can ask for access to resources
SSL (Secure Sockets Layer)
Sys Log (Unix) or Event Manager (Windows)
3.1

46. Which of the following is a self-assigned address based on APIPA (Automatic Private Internet Protocol Addressing)?
3.1
They are connected to a switch when trying to capture packets.
WINS (Windows Internet Name Service)
169.254.1.1

47. TDR means...
Token passing
Time domain reflectometer
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.
Telnet

48. 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?
The users will not be affected by the change.
Media Access Control
Quality of Service
Global Positioning System

49. Telephony Server
Handles the call center and call routing and can be thought of as a sophisticated network answering machine
Hypertext transfer protocol over secure sockets layer.
Routing Information Protocol
Configure the DHCP (Dynamic Host Configuration Protocol) server to increase lease expiration time

50. In which OSI (Open Systems Interconnect) layer does a bridge operate?
Time domain reflectometer
LDAP - Active Directory (Windows) - e-Directory (Novell) - Open Directory (Apple)
HTTPS/ SSL
Data Link