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Test your basic knowledge |
CCNA - 2
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
ccna
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. If you have a small network w/ 3 computers...
It reduces unnecessary broadcasts.
A. security is difficult to enforce b. if one of the computers is responding to file sharing requests - that computer is functioning as a server
A. MTA b. SMTP
A. identifies network layer protocol b. makes the connection w/ the upper layers c. insulates network layer protocols from changes in physical equipment
2. 2 characteristics of peer-2-peer
Router(config)# hostname Costas
When connecting a host to a switch.
A. decentralized resources b. resource sharing w/o a dedicated server
A. not affected by EMI of RFI b. most expensive type of LAN cabling
3. What describes the purpose of default route?
It provides interface between applications on either end of the network.
Host uses a default route to transfer data to host outside the local network when no other route to the destination exists.
A. ethernet utilizes CSMA/CD b. defined as placement of data frames on the media c. DLL protocols define the rules for access to different media
The magnetic field around the adjacent pairs of wire.
4. What type of network cable is used between a terminal and a console port?
A. acts as both client and server w/ same communication b. hybrid mode includes a centralized directory of files c. can be used in client-server networks
Rollover cable
A. perform degradation b. security issues c. host identification
Destination is not contacted before a packet is sent.
5. What is a default gateway address?
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6. What statements describe the logical token-passing topology?
A. computers are allowed to transmit data only when they posses a token b. electronic tokens are passes sequentially to each other
Application Layer
The physical address is added.
A. they segment broadcast domains b. they interconnect different network technologies c. each router interface requires a separate network or subnet
7. There are 4 different hosts connected to a hub - media is being transfered between 2 of them but the other 2 will also like to transfer media. What must the latest hosts do to transfer the media?
They must wait until the first hosts finish transfering the media.
Resolve IPv4 addresses to MAC addresses.
The host can communicate w/ other hosts in the local network but is unable to communicate w/ hosts on the other networks.
80 (HTTP)
8. What is PDU?
80 (HTTP)
Is a layer of specific encapsulation.
Network Layer Packet
Host mobility
9. What is a component of a routing table entry?
A. purpose b. geographic location c. ownership
A. netstat -r b. route PRINT
Next-Hop Address
A. MTA b. SMTP
10. What are key considering factors when grouping hosts into common networks?
IP is not properly installed
A. ethernet utilizes CSMA/CD b. defined as placement of data frames on the media c. DLL protocols define the rules for access to different media
A. DB 60 b. Winchester 15-pin c. smart serial
A. purpose b. geographic location c. ownership
11. What is the primary reason for developing IPv6?
Network address
It has expanded adressing capabilities.
Destination Network Address
Transport
12. Which portion of the network layer address does a router use to forward packets?
Network portion
A. enable mode b. priviledge executive mode
A. physical layer b. DLL layer
Rollover cable
13. What do you need to use for an initial configuration on a Cisco router?
172.16.192.160
Switch
Console interface
OTDR
14. What is the primary rope of the physical layer in transmitting data?
Create signals that represent the bits in each frame for the media.
Host A
Physical
Is a layer of specific encapsulation.
15. Intermediary devices used to implement security between networks
A physical topology.
A. router b. firewall
Fiber
It provides interface between applications on either end of the network.
16. What are 2 protocols for transfering web resources?
Console
A. servers b. routers c. network printers
A. HTTP b. HTTPS
A. if destination network is directly connected - router forwards packet to destination host b. if no route exists for the destination and the default route is present - packet if fowarded to the next-hop c. if the originating host has a default gate
17. What do end devices do?
A. identifies the communicating applications b. identifies multiple conversations between the hosts
Resolve IPv4 addresses to MAC addresses.
Originate data flow.
The physical address is added.
18. What is the purpose of the TCP/IP Network Application Layer?
No collisions will occur on this link.
Is a layer of specific encapsulation.
Network Media Control
Window Size
19. What process routers use to determine the subnet network address w/ an IP address and a subnet mask?
Resolve IPv4 addresses to MAC addresses.
Network address
A. servers b. routers c. network printers
Binary ANDing
20. What is the purpose of a default gateway?
A. copper UTP b. optical fiber
A. flow control b. session establishment c. numbering and sequencing
Router(config)# interface FastEthernet 0/1
Identify the device that allows local network computers to communicate w/ devices in other networks.
21. 3 statements of media acess control
A. ethernet utilizes CSMA/CD b. defined as placement of data frames on the media c. DLL protocols define the rules for access to different media
Network
A. addressing b. error detection c. frame delimiting
A backbone cable.
22. 3 factors that should be considered when implementing Layer 2 protocols
A. router discards the packet b. router forwards the packet out the interface indicated in the route entry
Destination Network Address
A. geographic scope of the network b. physical layer implementation c. number of hosts to be interconnected
It provides for the exchange of data over a common local media.
23. If you have an Ethernet Frame w/ a Header - Data and a Trailer. It is a...?
It does not support encryption.
Network Layer Packet
The physical address is added.
Application Layer
24. What causes crosstalk within cable pairs when using UTP?
Source and Destination Ports
Source and Destination IP address
The magnetic field around the adjacent pairs of wire.
A. geographic scope of the network b. physical layer implementation c. number of hosts to be interconnected
25. What are 2 email components used to forward mail between servers?
A. enable mode b. priviledge executive mode
A. MTA b. SMTP
Source and Destination Ports
A. HTTP b. HTTPS
26. What is the purpose of the preamble in an ethernet frame?
Rollover cable
A. security is difficult to enforce b. if one of the computers is responding to file sharing requests - that computer is functioning as a server
It is used for timing synchronization w/ alternating patterns of 1s and 0s.
A. receives emails from clients MUA b. uses SMTP to route email between servers c. passes email to MDA for final delivery
27. What 2 type of cables would most commonly be used for new runs?
IP is not properly installed
Network
A. Cat5 UTP b. Cat6 UTP
A. determine pathways for data b. retrieve and retransmit data signals c. manage data flows
28. When a collision occurs using CSMA/CD - how do hosts w/ data to transmit respond after the backoff period expires?
Hosts return to listen-before-transmit mode.
32 bits
A. identifies the communicating applications b. identifies multiple conversations between the hosts
A physical topology.
29. If there are potential electrical and/or electromagnetic hazards - what type of media is recommended for backbone cabling?
Ctrl + Shift + 6
When connecting a host to a switch.
Network Access
Fiber
30. What command is used to change the default name to 'Costas'?
A. Cat5 UTP b. Cat6 UTP
A. hot keys b. context-sensitive c. command syntax check
0 to 1023
Router(config)# hostname Costas
31. What is the primary purpose of Layer 4?
A. perform degradation b. security issues c. host identification
A. DNS b. SMTP c. POP
Identify processes or services that are communicating with end devices.
A. DB 60 b. Winchester 15-pin c. smart serial
32. Which device is used to create or divide broadcast domains?
The magnetic field around the adjacent pairs of wire.
A. flow control b. session establishment c. numbering and sequencing
A. router b. firewall
Router
33. What is a disadvantage of Telnet?
The physical address is added.
The address of the router that the host will use to 'get to the other side'.
It does not support encryption.
A. copied into RAM during system startup b. contains a 3 byte OUI c. is 6 bytes long
34. After a routers ends its boot sequence - the admin wants to check the routers config. From the EXEC mode - which commands can the admin use?
A. show startup-config b. show running-config
Console
A. the router will discard the packet b. the router will send a time exceeded message to the source host
Hub
35. With TCP/IP encapsulation - which range of port numbers identifies all well known applications?
0 to 1023
No collisions will occur on this link.
255.255.255.224
Wireless
36. What is an effect of improperly applying a network cable connector?
Create signals that represent the bits in each frame for the media.
SMB
Signal loss can be experienced.
A. ethernet utilizes CSMA/CD b. defined as placement of data frames on the media c. DLL protocols define the rules for access to different media
37. 2 functions of encapsulation
255.255.255.224
Show Interfaces
A. identifies pieces of data as part of the same communication b. ensures the data pieces can be directed to the correct receiving end device
Wireless
38. 3 statements about the role of routers in the network
Identify processes or services that are communicating with end devices.
A. they segment broadcast domains b. they interconnect different network technologies c. each router interface requires a separate network or subnet
A. DNS b. SMTP c. POP
The MAC protocol can be very simple.
39. What type of routing uses information that is manually entered into the routing table?
Static
A. provide routers w/ up-to-date routing tables b. consume bandwidth to exchange route info
2046
A. 48 binary bits in length b. physical addresses c. represented in a hexadecimal format
40. What device can check for faults - integrity and performance of media?
OTDR
A. identifies the communicating applications b. identifies multiple conversations between the hosts
As the commands are entered.
Router(config)# interface FastEthernet 0/1
41. What is the proper order of the OSI Layers?
To facilitate the entry and exit of data on media.
Network
A. application b. presentation c. session d. transmision e. network f. data link g. physical
A. HTTP b. HTTPS
42. What method of signal transmission uses radio waves to carry signals?
Time-to-live (TTL)
IP is not properly installed
0 to 1023
Wireless
43. Which type of cable is most often associated w/ fiber-optic cable?
Originate data flow.
255.255.255.224
A backbone cable.
A. purpose b. geographic location c. ownership
44. Given IP 172.16.134.64 and S/M 255.255.255.224 - this IP is an...?
A. geographic scope of the network b. physical layer implementation c. number of hosts to be interconnected
A. consumes network bandwidth b. increases overhead on network c. interrupts other host functions
Network address
Source Port
45. What is the name of the application layer protocol used for file sharing on Microsoft Networks?
Fiber
Any device whose backoff timer expires first.
SMB
A. located in a single geographical area b. administered by a single organization c. each end is connected to a Telecommunication Service Provider (TSP)
46. What are the advantages of using a client-server model?
A. it has centralized administration b. security is easier to enforce
Supports error detection.
The MAC protocol can be very simple.
When connecting a host to a switch.
47. Which OSI model layer is responsible for regulating the flow of information from source to destination - reliably and accurately?
Supports error detection.
Transport
OTDR
Router(config)# interface FastEthernet 0/1
48. What is the function of the DLL?
It provides for the exchange of data over a common local media.
A. copied into RAM during system startup b. contains a 3 byte OUI c. is 6 bytes long
A. ethernet utilizes CSMA/CD b. defined as placement of data frames on the media c. DLL protocols define the rules for access to different media
A. security is difficult to enforce b. if one of the computers is responding to file sharing requests - that computer is functioning as a server
49. Which transport layer protocol provides low overhead and is used for applications that do not require reliable data delivery?
A. security is difficult to enforce b. if one of the computers is responding to file sharing requests - that computer is functioning as a server
A. ethernet utilizes CSMA/CD b. defined as placement of data frames on the media c. DLL protocols define the rules for access to different media
UDP
A. DNS b. SMTP c. POP
50. 2 most commonly used media types in ethernet networks
A. located in a single geographical area b. administered by a single organization c. each end is connected to a Telecommunication Service Provider (TSP)
Source and Destination IP address
A random delay helps prevent the stations from experiencing another collision during transmission.
A. copper UTP b. optical fiber