Final test - Notatki - Informatyk, Notatki'z Informatyka
mila_dziewczyna
mila_dziewczyna17 June 2013

Final test - Notatki - Informatyk, Notatki'z Informatyka

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Informatyka: notatki z zakresu informatyka przedstawiające test finałowy.
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1 Which of the following wireless standards increased transmission capabilities to 11 Mbps? 802.11b?

2 What is the maximum distance that 10BASE-T will transmit data before signal attenuation affects the data delivery? 100 meters? 3 "CompA" is trying to locate a new computer named "CompB" on the network. Which of the following does "CompA" roadcast to find the MAC address of "CompB"?

ARP request? 4 Which of the following are features of the Internet Protocol (IP)? (Choose two.)

It is the most widely implemented global addressing scheme.? It is a hierarchical addressing scheme allowing addresses to be grouped.?

5 What does the "10" in 10Base2 indicate about this version of Ethernet?

The version operates at a transmission rate of 10 Mbps.? 6 The accumulation of traffic from which of the following can cause a network condition called broadcast radiation?(Choose three.)

video over IP applications? ARP requests? RIP updates?

7 Why are internets necessary? (Choose three.) to overcome LAN scalability limitations?

to overcome LAN distance limitations? to network networks?

8 What are features of the TCP/IP Transport layer? (Choose two.) path determination

uses TCP and UDP protocols? reliability, flow control and error correction?

9 Which of the following services is used to translate a web address into an IP address? DNS? 10 Using the IP address 38.159.163.37 with a subnet mask 255.255.255.240, de termine the subnetwork address.

38.159.163.32? 11 Which of the following are useable Class A IP addresses with a default subnet mask? (Choose three.)

111.9.28.30? 123.1.2.132?105.1.34.1?

12 The highest capacity Ethernet technologies should be implemented in which areas of a network? (Choose three.)

between backbone switches? between enterprise server and switch? on aggregate access links?

13 Which OSI layer encapsulates data into packets?

network? 14 Which of the following correctly describe AC and DC currents? (Choose three.)

DC always flows in the same direction, and DC voltages always have the same polarity.? In DC systems, the flow of electrons is always from a negatively charged source to a positively charged source.? AC voltage reverses its polarity, so that the positive terminal becomes negative, and the negative terminal becomes positive.?

15 Using the data transfer calculation T=S/BW, how long would it take a 4MB file to be sent over a 1.5Mbps connection?

21.3 seconds? 16 Which of the following are Cisco proprietary routing protocols? (Choose two.)

IGRP? EIGRP?

17 Select the necessary information that is required to compute the estimated time it would take to transfer data from one location to another. (Choose two.)

file size? bandwidth of the link?

18 In a new network installation, the network administrator has decided to use a medium that is not affected by electrical noise. Which cable type will best meet this standard?

fiber optic?8

19 Which term describes an ARP response by a router on behalf of a requesting host?

Proxy ARP? 20 Which of the following are small, discrete components found within a personal computer? (Choose three.)

transistor? capacitor? light emitting diode?

21 A small company has a class C network license and needs to create five usable subnets, each subnet capable of accommodating at least 20 hosts. Which of the following is the appropriate subnet mask?

255.255.255.224? 22 Which type of institution does the domain suffix .org represent?

non-profit? 23 During cable testing, which of the following are used to calculate the in formation carrying capacity of a data cable? (Choose two.)

attenuation?

analog bandwidth?2 24 Which of these workstation installation and setup tasks are concerned with network access layer functions? (Choose two.)

installing NIC drivers? connecting the network cable?

25 A company with a Class B license needs to have a minimum of 1,000 subnets with each subnet capable of accommodating 50 hosts. Which mask below is the appropriate one?

255.255.255.192? 26 To make sure timing limitations are not violated when implementing a 10 Mbps Ethernet network involving hubs or repeaters, a technician should adhere to which rule?

the 5-4-3 rule? 27 Which of the following does 1000BASE-T use to accomplish gigabit speeds on Cat 5e cable?

the use of all four pairs of wires in full-duplex mode, simultaneously? 28 Which part of an IP address identifies a specific device on a network?

host portion? 29 Which of the following is the Layer 4 PDU?

segment? 30 Convert the Hexadecimal number A2 into its Base 10 equivalent. Select the correct answer from the list below.

162? 31 Which of the following protocols are used for e-mail transfer between clients and servers? (Choose three.)

POP3? SMTP? IMAP4?

32 Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below. BA?

33 Which of the following are considered the best electrical conductors for use in data network communications? (Choose three.) copper? gold?silicon?

34 Which of the following is a term associated with replacing hubs with swit ches to increase the number of collision domains? segmentation?

35 Which layer of the OSI model covers physical media? Layer 1?

36 Which of the following describes the use of Spanning Tree Protocol (STP)? resolve switching loops?

37 When a network administrator applies the subnet mask 255.255.255.248 to a Class A address, for any given subnet, how many IP addresses are available to be assigned to devices? 6?38 Which of the following items are common to all 100BASE technologies? (Choose three.)

frame format? timing? multi-part encoding?

39 What is the recommended maximum number of workstations configured on a peer-to-peer network? 10?

40 If a network administrator needed to download files from a remote server, which protocols could the administrator use to remotely access those files? (Choose two.)

TFTP? FTP?

41 Which OSI layer defines the functions of a router? network?

42 Which combinations of charges will be repelled by electric force? (Choose two.) positive and positive?

negative and negative? 43 Which part of the URL http://www.awsb.ca/teacher gives the name of the do main?

awsb.ca? 44 For which of the following is Ethernet considered the standard? (Choose three.)

inter-building connection? vertical wiring? horizontal wiring?

45 What type of wiring problem is depicted in this sample of a cable tester? an open?

46 John has been hired as the network administrator of a local company and has decided to add more hubs to the company's existing network. Which of the following has been caused by John's inexperience?

collision domain extended? 47 What is established during a connection-oriented file transfer between computers? (Choose two.)

a connection used for ASCII or binary mode data transfer? a control connection between the client and server?

48 An ISDN Basic Rate Interface (BRI) is composed of how many signaling channels? 1?

49 What device must be used between an AUI port of a networking device and the media to which it is being connected? a transceiver?

50 What is important to remember about the data link layer of the OSI modelwhen considering Peer to Peer communication? (Choose three.)

It provides a service to the network layer.? It encapsulates the network layer information into a frame.? Its header contains a physical address which is required to complete the data link functions.?

51 What type of network cable is used between a terminal and a console port? rollover?

52 Which protocol functions at the internet layer of the TCP/IP protocol suite? Internet Protocol (IP)?

53 How is a MAC address represented?

twelve hexadecimal digits? 54 Which of the following will test the internal loopback of a node?

ping 127.0.0.1?

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