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Download ARPIT 2020 A Practical Refresher In Computer Science Creation Question Paper

Download Annual Refresher Programme in Teaching (ARPIT) 2020 A Practical Refresher In Computer Science Creation Previous Question Paper || Annual Refresher Programme in Teaching (ARPIT) Last 10 Years Question Paper

This post was last modified on 19 January 2021

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ARPIT Last 10 Years 2011-2021 Previous Question Papers


Question Paper Name: A Practical Refresher in Computer Science 16th February 2020 Shift 1

Subject Name: A Practical Refresher in Computer Science

Creation Date: 2020-02-16 12:58:20

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Duration: 180

Total Marks: 140

Display Marks: Yes

A Practical Refresher in Computer Science

Group Number: 1

Group Id: 28860724

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Group Maximum Duration: 0

Group Minimum Duration: 120

Show Attended Group?: No

Edit Attended Group?: No

Break time: 0

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Group Marks: 140

Is this Group for Examiner?: No

A Practical Refresher in Computer Science

Section Id: 2886

Section Number: 1

Section type: Online

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Mandatory or Optional: Mandatory

Number of Questions: 70

Number of Questions to be attempted: 70

Section Marks: 140

Sub-Section Number: 1

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Sub-Section Id: 28860727

Question Shuffling Allowed: Yes

Question Number : 1 Question Id : 2886072156 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

At the end of running the Ethernet spanning tree algorithm, which ONE of the following is determined by the participating switches?

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  1. root bridge ID
  2. longest path length in the tree
  3. number of leaves in the tree
  4. number of hosts connected to each port

Options: 2886078614. 1

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2886078616. 3

2886078617. 4

Question Number : 2 Question Id : 2886072157 Question Type : MCQ Option Shuffling: No

Correct Marks : 2 Wrong Marks : 1

The main purpose of the Ethernet spanning tree algorithm is ________ (Choose the BEST option below).

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  1. to detect IP address duplicates
  2. to detect Ethernet address duplicates
  3. to form a loop-free topology
  4. to find optimal paths to each destination

Options:

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2886078618. 1

2886078619. 2

2886078620. 3

2886078621. 4

Question Number: 3 Question Id : 2886072158 Question Type : MCQ Option Shuffling: No

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Correct Marks: 2 Wrong Marks : 1

In an Ethernet extended LAN, what do "learning bridges" learn? (Choose one option below).

  1. the forwarding table
  2. mapping from ethernet address to IP address
  3. whether other bridges are active/passive

    4. --- Content provided by‍ FirstRanker.com ---

  4. whether there are duplicate ethernet addresses

Options:

2886078622. 1

2886078623. 2

2886078624. 3

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2886078625. 4

Question Number : 4 Question Id : 2886072159 Question Type : MCQ Option Shuffling: No

Correct Marks : 2 Wrong Marks : 1

In an Ethernet extended LAN, when a bridge looks at the source MAC address of a data frame, it ________ (Choose the BEST option below).

  1. updates its path to the root bridge

    2. --- Content provided by​ FirstRanker.com ---

  2. updates its set of active ports
  3. learns the outgoing port to use for frames destined to that source host
  4. learns the number of hops in the path from that source host

Options:

2886078627. 2

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2886078628. 3

2886078629. 4

Question Number : 5 Question Id : 2886072160 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

Which ONE of the following represents the columns of the forwarding table at an Ethernet bridge the best?

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  1. (destination MAC address, next-hop bridge ID)
  2. (destination IP address, next-hop IP address)
  3. (destination MAC address, outgoing port)
  4. (destination IP address, path to destination)

Options:

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2886078630. 1

2886078631. 2

2886078632. 3

2886078633. 4

Question Number : 6 Question Id : 2886072161 Question Type : MCQ Option Shuffling : No

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Correct Marks : 2 Wrong Marks : 1

Which ONE of the following is the primary purpose of VLANs in Ethernet?

  1. Connecting to non-Ethernet networks
  2. Supporting virtual circuits
  3. Supporting multiple virtual machines per port

    4. --- Content provided by FirstRanker.com ---

  4. Traffic isolation

Options:

2886078634. 1

2886078635. 2

2886078636. 3

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2886078637. 4

Question Number : 7 Question Id : 2886072162 Question Type : MCQ Option Shuffling: No

Correct Marks: 2 Wrong Marks : 1

Which ONE of the following is an advantage resulting from circuit switching (compared to packet switching)? Choose the BEST option below.

  1. Fault tolerance

    2. --- Content provided by⁠ FirstRanker.com ---

  2. High channel utilization
  3. Guaranteed bandwidth for flows
  4. No flow setup delay

Options:

2886078639. 2

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2886078640. 3

2886078641. 4

Question Number: 8 Question Id : 2886072163 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

How are packets forwarded toward the destination in packet switching? Choose the BEST option below.

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  1. By sending the incoming packet to all outgoing interfaces
  2. By looking at the packet header
  3. By sending the incoming packet to firstrankerfirstranker.com
  4. By looking at the packet contents

Options:

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2886078642. 1

2886078643. 2

2886078644. 3

2886078645. 4

Question Number: 9 Question Id: 2886072164 Question Type: MCQ Option Shuffling: No

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Correct Marks : 2 Wrong Marks : 1

When using circuit switching, what should the link capacity be (in kbps) if you want to support 10 users, each requiring 100kbps. Assume a user is active only 10% of the time.

  1. 10kbps
  2. 100kbps
  3. 1Mbps

    4. --- Content provided by FirstRanker.com ---

  4. 10Mbps

Options:

2886078646. 1

2886078647. 2

2886078648. 3

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2886078649. 4

Question Number : 10 Question Id : 2886072165 Question Type : MCQ Option Shuffling: No

Correct Marks: 2 Wrong Marks : 1

Which among the following switching techniques is BEST for bursty user traffic, which technique supports more number of users?

  1. Packet switching

    2. --- Content provided by​ FirstRanker.com ---

  2. Circuit switching
  3. Virtual circuit switching
  4. Short circuit switching

2886078650.1

2886078651.2

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2886078652.3

2886078653.4

Question Number : 11 Question Id : 2886072166 Question Type : MCQ Option Shuffling: No

Correct Marks : 2 Wrong Marks : 1

In the source routing scheme, why is the packet header length variable? Choose the BEST option below.

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  1. Different destinations are at different hop counts
  2. Different destinations have different resource requirements
  3. Different destinations need different amount of data payload
  4. Different destinations have different processing capabilities

Options:

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2886078654. 1

2886078655. 2

2886078656. 3

2886078657. 4

Question Number: 12 Question Id: 2886072167 Question Type: MCQ Option Shuffling: No

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Correct Marks: 2 Wrong Marks : 1

Which technique has the lowest per packet overhead?

  1. Circuit switching
  2. Virtual Circuit Switching
  3. Datagram switching

    4. --- Content provided by‍ FirstRanker.com ---

  4. Source routing

Options:

2886078658.1

2886078659.2

2886078660. 3

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2886078661.4

Question Number : 13 Question Id : 2886072168 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

In the context of Internet routing, a routing domain is called ________ (Choose the BEST option below).

  1. a routing island

    2. --- Content provided by FirstRanker.com ---

  2. a routing cloud
  3. an autonomous system
  4. a bounded region

2886078662.1

2886078663.2

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2886078664. 3

2886078665.4

Question Number : 14 Question Id : 2886072169 Question Type : MCQ Option Shuffling: No

Correct Marks: 2 Wrong Marks : 1

Which ONE of the following routing protocols is used by BGP (Border Gateway Protocol)?

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  1. Pure Distance Vector
  2. Path Vector
  3. Dynamic Source Routing
  4. Link State

Options:

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2886078666.1

2886078667.2

2886078668.3

2886078669.4

Question Number: 15 Question Id: 2886072170 Question Type: MCQ Option Shuffling: No

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Correct Marks: 2 Wrong Marks : 1

Routing using BGP (Border Gateway Protocol) focuses on ________ (Choose the BEST option below).

  1. policy based routing
  2. least delay routing
  3. max throughput routing

    4. --- Content provided by‌ FirstRanker.com ---

  4. multi-path routing

Options:

2886078670. 1

2886078671. 2

2886078672. 3

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2886078673. 4

Question Number : 16 Question Id : 2886072171 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

The ________ of an ISP (Internet Service Provider) is: (choose the BEST option below)

  1. always the same as that used by BGP

    2. --- Content provided by FirstRanker.com ---

  2. always based on distance vector
  3. always different from that used by BGP
  4. independent of what is used by BGP

Options:

2886078674. 1

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2886078675. 2

2886078676. 3

2886078677. 4

Question Number : 17 Question Id : 2886072172 Question Type : MCQ Option Shuffling: No

Correct Marks: 2 Wrong Marks : 1

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When should an ISP export routes (IP prefix information) it has learnt from its provider ISP to another ISP with which it has a peering relation?

  1. Always
  2. Never
  3. Only when it has exactly one provider
  4. Only when it has at least two providers

    5. --- Content provided by⁠ FirstRanker.com ---

Options:

2886078678.1

2886078679.2

2886078680. 3

2886078681.4

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Question Number: 18 Question Id : 2886072173 Question Type: MCQ Option Shuffling: No

Correct Marks: 2 Wrong Marks : 1

Which ONE of the following is a relation between ISPs (Internet Service Providers) which DOES NOT usually involve money exchange?

  1. Provider-customer
  2. Router-forwarder

    3. --- Content provided by‍ FirstRanker.com ---

  3. Peering
  4. Firewall-protectee

Options:

2886078682.1

2886078683.2

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2886078684. 3

2886078685.4

Question Number : 19 Question Id : 2886072174 Question Type : MCQ Option Shuffling : No

How many peers can an ISP (Internet Service Provider) have? Choose the BEST option below.

  1. At least one

    2. --- Content provided by⁠ FirstRanker.com ---

  2. At most one
  3. Any number
  4. Any even number

Options:

2886078686.1

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2886078687.2

2886078688.3

2886078689.4

Question Number : 20 Question Id : 2886072175 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

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When should an ISP export IP prefix information it has learnt from its peer ISP to its provider ISP?

  1. Always
  2. Never
  3. Only when it has exactly one provider
  4. Only when it has at least two providers

    5. --- Content provided by⁠ FirstRanker.com ---

Options:

2886078690. 1

2886078691. 2

2886078692. 3

2886078693. 4

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Question Number : 21 Question Id : 2886072176 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

A router in a particular Internet domain runs both EGP (Exterior Gateway Protocol) and an IGP (Interior Gateway Protocol). Its forwarding table will be based on ________.

  1. Both EGP and IGP
  2. Neither EGP nor IGP

    3. --- Content provided by‌ FirstRanker.com ---

  3. Only EGP
  4. Only IGP

Options:

2886078694. 1

2886078695. 2

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2886078696. 3

2886078697. 4

Question Number : 22 Question Id : 2886072177 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

How many root servers are present for DNS (Domain Name System)?

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  1. Exactly six: one per continent
  2. About 200: one per country
  3. Exactly 13: not uniformly distributed across continents
  4. About 300: not uniformly distributed across countries

Options:

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2886078698. 1

2886078699. 2

2886078700. 3

2886078701. 4

Question Number : 23 Question Id : 2886072178 Question Type : MCQ Option Shuffling : No

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Correct Marks: 2 Wrong Marks : 1

An Internet host can have both a hostname and an IP address as identities. Which ONE of the following is an ADVANTAGE of IP addresses compared to hostnames?

  1. It is easier for humans to remember IP addresses
  2. It is easier for routers to route based on IP address
  3. IP addresses are hierarchical, hostnames are not

    4. --- Content provided by⁠ FirstRanker.com ---

  4. Number of IP addresses possible is much more than number of hostnames

Options:

2886078702. 1

2886078703. 2

2886078704. 3

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2886078705. 4

Question Number : 24 Question Id : 2886072179 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

Which ONE of the following information must ALWAYS be present at a local DNS server?

  1. The IP address of www.firstrankerfirstranker.com

    2. --- Content provided by‍ FirstRanker.com ---

  2. The NS record of www.firstrankerfirstranker.com
  3. The IP address of the root DNS servers
  4. The security credentials of at least one search engine

Options:

2886078706. 1

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2886078707. 2

2886078708. 3

2886078709. 4

Question Number : 25 Question Id : 2886072180 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

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Which ONE of the following is TRUE with respect to a machine on the Internet?

  1. A machine can have only one IP address but multiple hostnames
  2. A machine can have only one hostname but multiple IP addresses
  3. A machine can have only one IP address and only one hostname
  4. A machine can have multiple IP addresses and also multiple hostnames

    5. --- Content provided by‌ FirstRanker.com ---

Options:

2886078710. 1

2886078711. 2

2886078712. 3

2886078713. 4

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Question Number : 26 Question Id : 2886072181 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

Which ONE of the following is the DNS record type relevant for sending emails to a particular email address?

  1. A record
  2. B record

    3. --- Content provided by⁠ FirstRanker.com ---

  3. EM record
  4. MX record

Options:

2886078714. 1

2886078715. 2

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2886078716. 3

2886078717. 4

Question Number : 27 Question Id : 2886072182 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

The original DNS used a centralized hosts.txt file. In what significant way was this architecture changed to pave the way to the current DNS architecture?

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  1. The text file was replaced with database records
  2. The text file was replaced with binary format
  3. A distributed architecture was adopted for better fault tolerance
  4. Multi-language support was added

Options:

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2886078718. 1

2886078719. 2

2886078720. 3

2886078721. 4

Question Number : 28 Question Id : 2886072183 Question Type : MCQ Option Shuffling : No

--- Content provided by‌ FirstRanker.com ---

Correct Marks: 2 Wrong Marks : 1

How many top level domains does the DNS name hierarchy have?

  1. Exactly six: one per each (inhabited) continent
  2. Exactly 12: one primary + one backup per each (inhabited) continent
  3. Exactly five: firstranker.com, .org, .edu, .gov, .net

    4. --- Content provided by​ FirstRanker.com ---

  4. Several 100s

Options:

2886078722.1

2886078723.2

2886078724. 3

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2886078725.4

Question Number : 29 Question Id : 2886072184 Question Type : MCQ Option Shuffling: No

Correct Marks : 2 Wrong Marks : 1

In the context of DNS, ICANN (Internet Corporation for Assigned Names and Numbers) is responsible for maintaining ________.

  1. the web servers of each top level domain

    2. --- Content provided by FirstRanker.com ---

  2. the root server replicas
  3. the mail gateways in each domain
  4. the tier-1 autonomous systems

Options:

2886078726. 1

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2886078727. 2

2886078728. 3

2886078729. 4

Question Number : 30 Question Id : 2886072185 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

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The current DNS has a ________ implementation and ________ management.

  1. centralized, centralized
  2. distributed, distributed
  3. centralized, distributed
  4. distributed, centralized

    5. --- Content provided by⁠ FirstRanker.com ---

Options:

2886078730. 1

2886078731. 2

2886078732. 3

2886078733. 4

--- Content provided by FirstRanker.com ---

Question Number : 31 Question Id : 2886072186 Question Type : MCQ Option Shuffling : No

Correct Marks: 2 Wrong Marks : 1

DNS uses ________ for queries and ________ for replies.

  1. UDP, UDP
  2. TCP, TCP

    3. --- Content provided by FirstRanker.com ---

  3. UDP, TCP
  4. TCP, UDP

Options:

2886078734. 1

2886078735. 2

--- Content provided by⁠ FirstRanker.com ---

2886078736. 3

2886078737. 4

Question Number : 32 Question Id : 2886072187 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

Which ONE of the following is true about the transport protocol used by HTTP?

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  1. It uses only UDP
  2. It uses only TCP
  3. It uses UDP and TCP in every download
  4. It uses TCP for download and UDP for upload

Options:

--- Content provided by⁠ FirstRanker.com ---

2886078738. 1

2886078739. 2

2886078740. 3

2886078741. 4

Question Number : 33 Question Id : 2886072188 Question Type : MCQ Option Shuffling : No

--- Content provided by‍ FirstRanker.com ---

Correct Marks : 2 Wrong Marks : 1

In the context of HTTP, non-persistent connections refers to the use of:

  1. unverified server certificate
  2. UDP for some HTTP downloads
  3. a separate TCP connection per-HTTP-object

    4. --- Content provided by FirstRanker.com ---

  4. different browser tabs at the HTTP client

Options:

2886078742. 1

2886078743. 2

2886078744. 3

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2886078745. 4

Question Number : 34 Question Id : 2886072189 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

________ is absolutely essential for a web proxy to work?

  1. If-Modified-Since

    2. --- Content provided by⁠ FirstRanker.com ---

  2. If-None-Match
  3. Host
  4. User-agent

Options:

2886078746. 1

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2886078747. 2

2886078748. 3

2886078749. 4

Question Number : 35 Question Id : 2886072190 Question Type : MCQ Option Shuffling : No

Correct Marks : 2 Wrong Marks : 1

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A HTTP object refers to ________ (choose the BEST option below).

  1. a HTML page or an embedded JPG image
  2. only HTML pages and not embedded images
  3. not HTML pages but only embedded images
  4. only the web server certificate

    5. --- Content provided by⁠ FirstRanker.com ---

Options:

2886078750. 1

28860787

This download link is referred from the post: ARPIT Last 10 Years 2011-2021 Previous Question Papers

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This post was last modified on 19 January 2021