Rabu, 25 Desember 2013

Cisco CCNA Discovery Chapter 4 (Kunci Jawaban)

Assessment Settings - DHomesb Chapter 4 - CCNA Discovery: Networking for Home and Small Businesses (Version 4.0)

1)
Which definition describes the term Internet?
  • a group of PCs connected together on a LAN
  • a group of PCs connected together by an ISP
  • a network of networks that connects countries around the world
  • a worldwide collection of networks controlled by a single organization


2)
What type of connection point is a point of presence (POP)?

  • between a client and a host
  • between two local networks
  • between a computer and a switch
  • between an ISP and a home-based LAN 


3)
What is the term for the group of high-speed data links that interconnect ISPs?

  • Internet LAN
  • ISP backbone
  • Internet gateways
  • Internet providers
  • Internet backbone


4)
Which device can act as a router, switch, and wireless access point in one package?

  • hub
  • bridge
  • modem
  • repeater
  • ISR


5)
What are three characteristics of business class ISP service? (Choose three.)

  • fast connections
  • extra web space
  • free Windows upgrade
  • cheapest cost available to all users
  • additional e-mail accounts
  • replacement hardware at no cost



6)
What is a major characteristic of asymmetric Internet service?

  • Download speeds and upload speeds are equal.
  • Download speeds are slower than upload speeds.
  • Upload speeds and download speeds are different.
  • Upload speeds and download speeds are irrelevant.



7)
Which three elements are required to successfully connect to the Internet? (Choose three.)

  • an IP address
  • file sharing enabled
  • a network connection
  • server services enabled
  • access to an Internet service provider
  • an address obtained directly from the RIR



8)
What term describes each router through which a packet travels when moving between source and
destination networks?

  • NOC
  • ISP
  • hop
  • segment



9)
What does the tracert command test?

  • NIC functionality
  • the ISP bandwidth
  • the network path to a destination
  • the destination application functionality



10)
What type of end-user connectivity requires that an ISP have a DSLAM device in their network?

  • analog technology
  • cable modem technology
  • digital subscriber line technology
  • wireless technology



11)
Why would an ISP require a CMTS device on their network?

  • to connect end users using cable technology
  • to connect end users using analog technology
  • to connect end users using wireless technology
  • to connect end users using digital subscriber line technology



12)

Refer to the graphic. What type of cabling is shown?

  • STP
  • UTP
  • coax
  • fiber


13)

Refer to the graphic. What type of cabling is shown?

  • STP
  • UTP
  • coax
  • fiber


14)
Which two places are most appropriate to use UTP cabling? (Choose two.)

  • between buildings
  • in a home office network
  • where EMI is an issue
  • in a cable TV network
  • inside a school building
  • in a manufacturing environment with hundreds of electrical devices


15)
What does adherence to cabling standards ensure?

  • data security
  • no loss of signal
  • no electromagnetic interference
  • reliable data communications


16)

Refer to the graphic. What type of cable is shown?

  • crossover
  • eight coax channels
  • multimode fiber
  • single-mode fiber
  • straight-through


17)
What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?

  • ST
  • BNC
  • RJ-11
  • RJ-45 


18)
Which two characteristics describe copper patch panels? (Choose two.)

  • uses RJ-11 jacks
  • uses RJ-45 jacks
  • supports only data transmissions
  • allows quick rearrangements of network connections
  • forwards transmissions based on MAC addresses



19)
What are two advantages of cable management? (Choose two.)

  • requires no preplanning
  • aids in isolation of cabling problems
  • protects cables from physical damage
  • provides compliance with future standards
  • provides a short-term solution for cable installation



20)
What are two common causes of signal degradation when using UTP cabling? (Choose two.)

  • installing cables in conduit
  • having improper termination
  • losing light over long distances
  • installing low quality cable shielding
  • using low quality cables or connectors


21)
What are three commonly followed standards for constructing and installing cabling? (Choose three.)

  • pinouts
  • cable lengths
  • connector color
  • connector types
  • cost per meter (foot)
  • tensile strength of plastic insulator


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