Alcatel-Lucent 4A0-100 Exam Questions and Answers 2021
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NEW QUESTION 1
Which of the following are NOT examples of a VPN service offered on the Alcatel-Lucent 7750 SR? Choose two.
- A. VPWS Virtual Private Wire Service
- B. VPLS Virtual Private LAN Servic
- C. VPRN Virtual Private Routed Network
- D. MLPPP Multi-link Point-to-Point protocol
- E. VPDFS Virtual Private Dark Fiber Servic
Answer: DE
NEW QUESTION 2
What problem was Spanning Tree Protocol (STP) primarily designed to solve?
- A. Inability to perform switch to switch redundancy using multiple connections at Layer 2.
- B. Missing protocol field in Ethernet II required to identify redundancy protocols at Layer 2.
- C. Missing packet sequencing in Layer 2 Ethernet required to re-order packets on arriva
- D. Inability to forward multicast frames without a routing protoco
Answer: A
NEW QUESTION 3
What does a VPLS solution look like from a customers perspective?
- A. To the customer, it appears as if all sites are directly connected by a single cabl
- B. To the customer, it appears as if all sites are connected through a single switched LA
- C. To the customer, it appears as if all sites are connected through a single route
- D. To the customer, it appears as if all sites are connected through a series of private point-to-point connection
Answer: B
NEW QUESTION 4
One of the tasks of the boot options file (BOF) is to:
- A. Specify authorization information to control access to the route
- B. Define an IP address for the CPM Ethernet por
- C. Initialize the hardwar
- D. Set the date/time for the syste
Answer: B
NEW QUESTION 5
What is the purpose of the source and destination ports in the TCP header?
- A. These ports identify the physical location of the sender and the receiver on the IP route
- B. These ports are used as addresses to communicate with the IP laye
- C. TCP does not use source or destination port
- D. These ports are used as an address to identify the upper layer application using the TCP connectio
Answer: D
NEW QUESTION 6
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 7
Based on the network diagram (click the Exhibit Button),
what are the prefix, mask, and next-hop used on CR1 to setup a default static route to R1?
- A. 0.0.0.0/0 next-hop 10.2 3.2
- B. 0.0.0.0/32 next-hop 10.2.3.2
- C. 10.2.3.2/32 next-hop 0.0.0.0/0
- D. 0.0.0.0/0 next-hop 192.168.2.0
Answer: A
NEW QUESTION 8
Which of the following is TRUE regarding Ethernet half-duplex transmission?
- A. Half-duplex transmission is less efficient because the frame MTU is smalle
- B. An end-station connected to a hub will always be half-duple
- C. Ethernet switches only support half-duplex transmissio
- D. All of the abov
Answer: B
NEW QUESTION 9
What is the sequence of messages sent by a host when it attempts to ping a destination for which it has no Address Resolution Protocol (ARP) cache entry?
- A. ICMP echo request, ARP request, ARP reply, ICMP echo repl
- B. ARP request, ARP reply, ICMP echo request, ICMP echo repl
- C. ICMP echo request, ICMP echo reply, ARP request, ARP repl
- D. ICMP echo request, ARP reply, ARP request, ICMP echo repl
Answer: B
NEW QUESTION 10
Which of the following statements describes the purpose of the Transport Layer in the TCP/IP stack?
- A. Provides a data transport service to higher protocol layer
- B. Provides a data transport service for routing and control protocols such as OSPF and ICM
- C. Provides a universal address plan to uniquely identify every device in the networ
- D. Defines a standard method for framing data for transmission on the physical network mediu
Answer: A
NEW QUESTION 11
With a subnet mask of 255.255.255.224, which of the IP addresses below are valid host addresses? (Choose all that apply)
- A. 17.23.119.63
- B. 87.99.12.159
- C. 95.11.22.93
- D. 192.11.25.87
Answer: CD
NEW QUESTION 12
Why does UDP have less overhead than TCP?
- A. UDP has less overhead because it is only used for transmission of small amounts of dat
- B. UDP has less overhead then TCP because there is no checksum field in UD
- C. UDP overhead is the same as TCP because it uses the same fields in the heade
- D. UDP has less overhead because there is no requirement for acknowledgment or retransmissio
Answer: D
NEW QUESTION 13
What characteristic of IP addressing creates a hierarchical network?
- A. All hosts on all networks must have unique host number
- B. IP addresses identify a host and the network on which it reside
- C. Clients are assigned 32-bit addresses and servers 64-bit addresse
- D. Router, switch and host addresses are drawn from unique address classe
Answer: B
NEW QUESTION 14
Which of the following command lines would be found in a list of commands designed to permit only certain type of traffic from exiting router RTR-A to router RTR-B?
- A. RTR-A>config>router>if>ingress# filter ip 1
- B. RTR-B>config>router>if>ingress# filter ip 1
- C. RTR-B>config>router>if>egress# filter ip 1
- D. RTR-A>config>router>if>egress# filter ip 1
Answer: D
NEW QUESTION 15
A 24 port Ethernet switch is configured with VLAN 100 on ports 1 - 8, VLAN 200 on ports 9
-
16 and VLAN 300 on ports 17 - 24. Which of the following describes the behavior of the switch when a broadcast frame is received on port 1?
- A. The switch will discard the broadcast frame because there is no specific destination addres
- B. The switch will flood the broadcast frame on all ports on which the switch has seen frames from attached devices
- C. The switch will flood the broadcast frame on ports 2 to 8.
- D. The switch will flood the broadcast frame on all 24 port
Answer: C
NEW QUESTION 16
What distance is supported using CAT-5 cabling for 10/100/1000 TX?
- A. 100
- B. 500
- C. 1 K
- D. 10 K
Answer: A
NEW QUESTION 17
If a customer requires a point-to-point layer 2 VPN service between two locations which VPN service would be typically suited for this customer?
- A. Virtual Private Wire Service .
- B. Virtual Private LAN Servic
- C. Virtual Private Routed Network
- D. Virtual Private Dark Fiber Servic
Answer: A
NEW QUESTION 18
To transmit its segments of data across the network TCP uses the services of which layer?
- A. Application Laye
- B. Transport Laye
- C. IP Laye
- D. Data Link Layer
Answer: C
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