4A0-100 Exam - Alcatel-Lucent Scalable IP Networks

NEW QUESTION 1
Which organization eventually became the standards body for IP and related protocols?

• A. IEEE
• B. IETF
• C. NSFNET
• D. ITU-T
• E. APNIC

Answer: B

NEW QUESTION 2
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 3
A VPWS service maintains a MAC Forwarding Database (FDB) for Ethernet SAPs.

• A. True
• B. False

Answer: B

NEW QUESTION 4
Which of the following are important to consider when designing IPv4 subnets? (Choose 3)

• A. The number of subnetworks currently require
• B. The version of the Ethernet used by each segmen
• C. Future network growth requirement
• D. The number of hosts each subnetwork will suppor
• E. The class of the IP address assigned to an organizatio

Answer: ACD

NEW QUESTION 5
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 6
Which statement best describes a VPRN service?

• A. From the customers perspective it looks as if all sites are connected by the same set of dark fiber
• B. From the customers perspective it looks as if all sites are connected to a private switched network administered by the service provide
• C. From the customers perspective it looks as if all sites are connected to a private routed network administered by the service provide
• D. From the customers perspective it looks as if all sites have public internet access administered by the service provide

Answer: C

NEW QUESTION 7
Which answer reflects the correct message sequence used when a source 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 reply
• B. ARP request, ARP reply, ICMP echo request, ICMP echo reply
• C. ICMP echo request, ICMP echo reply, ARP request, ARP reply
• D. ICMP echo reques
• E. ARP reply, ARP request, ICMP echo reply

Answer: B

NEW QUESTION 8
In the diagram, R7 receives a new LSA from R3 and installs it in its link state database. 10 ms. later it receives another copy of the LSA with the same sequence number from R8. What does R7 do with the LSA received from R8?

• A. R7 silently discards the LSA received from R8.
• B. R7 installs the LSA received from R8 in its link state database andfloods a copy to its neighbor
• C. R7 discards the LSA received from R8 and sends an ACK to R8.
• D. R7 installs the LSA received from R8 in its link state database, sends an ACK to R8 andfloods a copy to its neighbor

Answer: C

NEW QUESTION 9
What is the basic unit of framing in SDH and the bit rate for transmission?

• A. STM-1 with a bit rate of 1.544 Mbit/
• B. STM-1 with a bit rate of 2.048 Mbit/
• C. STM-1 with a bit rate of 51.84 Mbit/
• D. STM-1 with a bit rate of 155.52 Mbit/

Answer: D

NEW QUESTION 10
Host A receives a TCP SYN/ACK segment. What does this signify?

• A. Host A has received a request to establish a TCP sessio
• B. Host A has received a request to close a TCP session
• C. A TCP session is now established to host
• D. The TCP session has been terminated due to a timeou

Answer: C

NEW QUESTION 11
You are configuring your Alcatel-Lucent 7750SR Service Router from the Command Line Interface (CLI), and after entering a lengthy command, wish to return directly to the ROOT context. Which control command allows you to do this quickly?

• A. Ctrl-z
• B. Ctrl-c
• C. Esc
• D. Shift-Page Down

Answer: A

NEW QUESTION 12
If a 4-port LAG is configured with the option of 'port-threshold 2' and 'action down' what will
happen if the total operational links in the LAG is 2?

• A. If dynamic-cost is enabled it will adjust the cost for routing protocols such as OSP
• B. If dynamic-cost is not enabled it will adjust the cost for routing protocols such as OSPF by dividing the link bandwidth by 2.
• C. The LAG will be changed to an operational state of 'down'.
• D. The LAG will function with only 2 port
• E. There will be no change to the routing metri

Answer: C

NEW QUESTION 13
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

NEW QUESTION 14
Which of the following are TRUE statements about the router ID in OSPF? Choose two

• A. A router ID is not required by OSP
• B. The system address is used as the router ID if router-id is not se
• C. The router ID is used to uniquely identify every OSPF route
• D. On the Alcatel-Lucent 7750 SR, the router ID is set to the highest logical IP address if router-id is not explicitly se

Answer: BC

NEW QUESTION 15
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain 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 16
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