Breathing 4A0-100 Dumps 2021

NEW QUESTION 1
What is the preference value in the routing table used for?

• A. It indicates the preferred egress interfac
• B. It differentiates between multiple routes to a destination learned by the same protoco
• C. It differentiates between multiple routes to a destination learned by different routing protocol
• D. It is used to differentiate local routes from remote route

Answer: C

NEW QUESTION 2
How many of the front access card slots of the Alcatel-Lucent 7750 SR-12 router are dedicated for redundant common equipment?

• A. 1
• B. 2
• C. 7
• D. 10

Answer: B

NEW QUESTION 3
Which of the following best describes an Ethernet bridge?

• A. A passive device simply used to connect two or more cable
• B. Does not generate or amplify any signal
• C. A device that receives and retransmits a signal out its other ports, but does not do any Layer 2 analysis of the dat
• D. A device that receives a signal and based on the Layer 2 destination address, makes a decision on which ports the signal should be retransmitte
• E. A device that receives a signal and based on the Layer 3 destination address, makes a decision on which ports the signal should be retransmitte

Answer: C

NEW QUESTION 4
Which of the following is a characteristic of a static route?

• A. Responds in real time to network failure
• B. Can only be used for routing within an autonomous syste
• C. Uses a hop-count metric to determine the best route to a networ
• D. Explicitly defines the next-hop based on operator inpu

Answer: D

NEW QUESTION 5
How is Ethernet II different from Ethernet 802.3?

• A. Ethernet 802.3 can only be used on point-to-point links, while Ethernet II can be used on broadcast network
• B. In Ethernet II the 2 bytes after the source MAC address is used as a type indicato
• C. In Ethernet 802.3 these two bytes indicate the length of the fram
• D. In Ethernet 802.3, the 2 bytes after the source MAC address is used as a type indicato
• E. In Ethernet II these two bytes indicate the length of the fram
• F. Ethernet II and Ethernet 802.3 are two different names for the same protocol

Answer: B

NEW QUESTION 6
The physical networks connecting two PCs to the internet are DSL and PPP respectively. Which layer will enable the two PCs to communicate?

• A. Layer 1
• B. Layer 2
• C. Layer 3
• D. Layer 4

Answer: C

NEW QUESTION 7
Which Ethernet frame field does the receiver use to verify the integrity of the received bits?

• A. Destination address
• B. Frame check sequence
• C. Preamble
• D. Length field

Answer: B

NEW QUESTION 8
Which of the following best describes the operation of the Media Dependent Adapter (MDA)?

• A. The MDA contains the flexible fast path complex used for forwarding dat
• B. Excess data is discarded by the MDA and the remaining data forwarded for QoS processin
• C. The MDA buffers data and applies Quality of Service (QoS) to classify and treat the data appropriatel
• D. The MDA converts data from its incoming physical format into an internal format and provides some minimal bufferin

Answer: D

NEW QUESTION 9
What are the tasks of the Routing Table Manager (RTM)? Choose two

• A. RTM selects the best route from among multiple routing protocol
• B. RTM selects the best route using the metric as criteria
• C. RTM sends its best route to all its directly connected neighbor
• D. RTM installs its best route in the routing tabl

Answer: AD

NEW QUESTION 10
Which of the following is a characteristic of the IP layer?

• A. Provides an unreliable, connectionless data transmission servic
• B. Provides a mechanism for flow contro
• C. Verifies the integrity of all received datagram
• D. Provides services equivalent to the OSI data link laye

Answer: A

NEW QUESTION 11
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will be obtained with this mask?

• A. 4 subnets, 64 hosts
• B. 64 subnets, 4 hosts
• C. 4 subnets, 62 hosts
• D. 64 subnets, 2 hosts
• E. 6 subnets, 30 hosts

Answer: C

NEW QUESTION 12
Which of the following are examples of Time Division Multiplexing (Choose two)?

• A. Etherne
• B. Token-Rin
• C. SONET/SD
• D. E1 carrie
• E. PPP

Answer: CD

NEW QUESTION 13
In the diagram, R3 receives an LSA with the sequence number 111 from R7 and then receives another copy of the LSA with a sequence number 112 from R1. What does R3 do with the LSA from R1?

• A. R3 discards the LSA received from R1 and sends a copy of the LSA from its link state base to R1.
• B. R3 installs the LSA received from R1 in its link state database and floods a copy to its neighbor
• C. R3 discards the LSA received from R1 and sends an ACK to R1.
• D. R3 installs the LSA received from R1 in its link state database, sends an ACK to R1 andfloods a copy to its neighbor

Answer: D

NEW QUESTION 14
Which of the following statements best characterize Distance Vector Routing? (Choose 2)

• A. Routers periodically send a copy of their routing table to their neighbor
• 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 15
Which statement best describes how the internet evolved?

• A. The internet emerged in the commercial world in the 1980’s following the US military’s adoption of TCP/IP in 1983.
• B. The internet evolved from a military to a research to a commercial based networ
• C. The internet remained primarily a research based network and was only commercially adopted in 2000 when the world wide web was conceive
• D. Internet service providers provided the services necessary for military based networks to evolve into research and education based network

Answer: B

NEW QUESTION 16
(Click the Exhibit Button below)

An Ethernet Local Area Network (LAN) consists of the
following components:
Four 24-port hubs & Two 16-port switches
How many broadcast domains are on this LAN?

• A. 1
• B. 2
• C. 5
• D. 32

Answer: A

NEW QUESTION 17
Which two protocols are used for the dynamic signaling of MPLS labels (Choose two)?

• A. RSVP-TE
• B. CSPF
• C. PNNI
• D. LDP

Answer: AD

NEW QUESTION 18
Which of the parameters in Hello messages exchanged between two OSPF neighbors must be the same to keep the adjacency alive in OSPF? (Choose four.)

• A. Interface MT
• B. Area I
• C. Authentication passwor
• D. Hello interva
• E. Dead interva
• F. Router priorit

Answer: BCDE