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Highest Quality 4A0-100 Exam Questions 2021




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Online 4A0-100 free questions and answers of New Version:

NEW QUESTION 1
The IANA is responsible for:

  • A. Intra-city ISP traffic
  • B. Allocationof the global IP address space
  • C. Allocating IP addresses for residential customer traffic
  • D. Allocating North American IP addresses

Answer: B

NEW QUESTION 2
Based on the network diagram (clickthe Exhibit Button).
4A0-100 dumps exhibit
R2 wants to connect a host on 192.168.2.0/24 behind CR1. What is the correct next-hop to use, assuming R1 is configured correctly?

  • A. 10.2.3.2
  • B. 10.1.1.1
  • C. 10.2.3.1
  • D. 10.1.1.2

Answer: B

NEW QUESTION 3
Which statement best describes an SDP?

  • A. Service Delivery Points are defined on the service provider network side and used to bind the service to an MPLS transport tunne
  • B. Many services can be bound to a single SD
  • C. Service Delivery Points are defined on the service provider access side and used to bind the connection of the service to CE devic
  • D. Many services can be bound to a single SD
  • E. Service Delivery Points are defined on the service provider network side and used to bind the service to an MPLS transport tunne
  • F. Only one service can be bound to a single SD
  • G. Service Delivery Points are defined on the service provider access side and used to bind the service to CE devic
  • H. Only one service can be bound to a single SD

Answer: A

NEW QUESTION 4
Who was responsible for developing and publishing the original standard that was used for 10 Mbit/s Ethernet?

  • A. Intel Corporatio
  • B. Digital Equipment Corporatio
  • C. DEC-Intel-Xero
  • D. Apple Compute
  • E. IB

Answer: C

NEW QUESTION 5
Which of the following is a characteristic of Layer 2 framing?

  • A. Provides a universal addressing scheme to uniquely identify destinations in the network
  • B. Size of frame cannot exceed 1518 byte
  • C. Provides error checking of the frame contents on ingres
  • D. All of the abov

Answer: C

NEW QUESTION 6
What is the sequence of events for a client to receive an IP address from the server in the DHCP?

  • A. Discover, offer, request, acknowledgemen
  • B. Request, offer, discover, acknowledgemen
  • C. Discover, request, offer, acknowledgemen
  • D. Request, acknowledgement, discover, offe

Answer: A

NEW QUESTION 7
Which of the following describes the normal sequence of events in the forming of an OSPF adjacency?

  • A. Hello exchange, DB descriptor exchange, Link state requests and update
  • B. DB descriptor exchange, Link state requests and updates, Hello exchang
  • C. Link state requests and updates, Hello exchange, DB descriptor exchang
  • D. Hello exchange, Link state requests and updates, DB descriptor exchang

Answer: A

NEW QUESTION 8
What information is used to separate VLANs on a VLAN trunk that connects multiple VLANs?

  • A. VLAN ta
  • B. IP Heade
  • C. FC
  • D. Priority Valu

Answer: A

NEW QUESTION 9
As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin transmitting data at the same time?

  • A. Host A and B will generate a jam signa
  • B. Listening hosts will request retransmissio
  • C. Host A or B will retry the transmissio
  • D. A back-off timer is started by Host A or

Answer: A

NEW QUESTION 10
TCP is sending data in 5 segments with SEQ numbers 27000, 27500.28000, 28500, and 29000 respectively. During transmission, the segment with SEQ=28500 is dropped in the network. How does TCP handle this situation?

  • A. The receiving end station sends an ACK flag with SEQ=28000 to indicate it has received a segment out of orde
  • B. The receiving station sends a NACK frame with SEQ=28500 requesting that the frame be retransmitted
  • C. Once the reciever's window is ful
  • D. TCP assembles the payload and determines that SEQ=28500 is missin
  • E. At this point, the reciever sends the RST flag with SEQ=28500 to Request Single Transmission of the missing segmen
  • F. TCP will collect the segments and forward them to the application layer where the SEQ numbers will be processed and a retransmit request will occur for the entire packe

Answer: C

NEW QUESTION 11
What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host cannot be delivered?

  • A. Echo Reques
  • B. Destination Unreachabl
  • C. Router redirec
  • D. Echo Repl

Answer: B

NEW QUESTION 12
Choose two true statements that characterize Distance Vector Routing?

  • A. Routers send a copy of their routing table to their neighbors periodicall
  • B. Routers flood link information throughout the entire are
  • C. Network converges quickly (within several seconds) after a topology chang
  • D. Routers do not have precise knowledge of the entire network topolog

Answer: AD

NEW QUESTION 13
Which field in the IP routing table contains the name or address of the neighbour that advertised the prefix to the router?

  • A. Preferenc
  • B. Metri
  • C. Dest prefi
  • D. Next ho

Answer: D

NEW QUESTION 14
What are the tasks of a Routing Table Manager (RTM)? (Choose 2)

  • A. To select the best route from among multiple routing protocol
  • B. To select the best route using the metric as criteri
  • C. To send its best route to all its directly connected neighbor
  • D. To install its best route in the routing tabl

Answer: AD

NEW QUESTION 15
Which of the following statements BEST describes the purpose of UDP (Select two)?

  • A. Provide a connectionless delivery servic
  • B. Provide a connection oriented delivery servic
  • C. Provide an unreliable transmission servic
  • D. Provide a reliable transmission servic

Answer: AC

NEW QUESTION 16
How does the Transport Layer identity which application is to receive the data?

  • A. By using the IP address of the packe
  • B. By using the MAC address of the fram
  • C. By using port number
  • D. By using Connection Identifier Numbers (CINs).

Answer: A

NEW QUESTION 17
Which of the following is not supported on the Alcatel-Lucent 7450 ESS?

  • A. Support for IPv6.
  • B. Support for PO
  • C. Upgrade path to the Alcatel-Lucent 7750 S
  • D. Support for IS-IS

Answer: C

NEW QUESTION 18
Which of the following are protocols belonging to the OSI suite of protocols? (Choose two)

  • A. OSPF
  • B. BGP
  • C. X.500
  • D. IS-IS
  • E. Ethernet

Answer: CD

NEW QUESTION 19
What is the purpose of TCP flow control?

  • A. It restricts the sender from sending too much data when there is congestion in the networ
  • B. It allows the receiver to control the rate at which the sender transmits dat
  • C. It forces the sender to send only one segment at a tim
  • D. It allows the receiver to drop segments without the sender having to retransmi

Answer: B

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