Braindumps.4A0-109.150Q 4A0-109 Alcatel-Lucent Triple Play Services

43 Pages·2015·0.22 MB·English

Braindumps.4A0-109.150Q
Number: 4A0-109
Passing Score: 800
Time Limit: 120 min
File Version: 7.1

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4A0-109
Alcatel-Lucent Triple Play Services
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Exam A
QUESTION 1
What is the format of the VRRP virtual MAC address?
A. 00-00-5E-00-01-<VRID>
B. 01-00-5E-00-01-<VRID>
C. 5E-00-01-00-00-<VRID>
D. 5E-00-00-00-01-<VRID>
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
answer is valid.
QUESTION 2
Which file format is used to store the subscriber accounting file on an Alcatel-Lucent 7750 SR?
A. TXT
B. PDF
C. RTF
D. XML
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 3
Which of the following describes the port mode required to support ESM over MPLS on an Alcatel- Lucent
7750 SR?
A. The port mode must be "access".
B. The port mode must be "network" .
C. The port mode must be "hybrid" .
D. The port mode must be "pw-port" .
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 4
For application assurance, which field can NOT be used to identify an application?

http://www.gratisexam.com/
A. Server IP address
B. HTTP user-agent
C. DSCP value
D. TCP port
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 5
Which of the following methods encapsulates IPv6 packets into an IPv4 tunnel?
A. Dual-Stack Lite (DS-Lite)
B. Native I Pv4/IPv6 dual-stack
C. 6RD
D. Carrier-Grade NAT (CGN)
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
assessed answer.
QUESTION 6
Where and in which direction is a virtual-port typically instantiated?
A. On the BNG, towards the Internet
B. On the BNG, towards the BSAN
C. On the BSAN, towards the BNG
D. On the BSAN, towards the RG
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 7
Which of the following is NOT a characteristic of the Alcatel-Lucent Triple Play solution?
A. Always on and always available
B. Supports data, voice, and video simultaneously
C. High bandwidth
D. Low number of concurrent connections
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
authentic answer.
QUESTION 8
Which of the following were NOT roles of a traditional BNG?
A. Logical termination of PPP sessions
B. Authentication of subscribers using 802.1x
C. Default gateway to the Internet
D. Enforce QoS policies
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
assessed answer.
QUESTION 9
Which of the following is NOT part of the aggregation network?
A. BSA
B. BSAN
C. B-RAS
D. BNG
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
trustful answer.
QUESTION 10
In a numbered PPPoE WAN scenario, the RG sends which address assignment option to the DHCPv6
server in the Solicit message?
A. IA_NA only
B. IA_PDonly
C. Neither IA_NA and IA_PD
D. Both IA NA and IA PD
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
appropriate,
QUESTION 11
Which of the following is NOT a function of the BSAN?
A. Tagging upstream traffic towards the aggregation network
B. DHCP relay/proxying and maintaining the lease-state table
C. Adding DHCP option 82
D. Switching VLAN tagged traffic towards the subscriber
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 12
By default what does a DHCP client do when it receives multiple offers from DHCP servers?
A. It accepts the last offer received.
B. It accepts the first offer received.
C. It accepts the offer from the DHCP server marked master in the DHCP-offer messages.
D. It accepts the offer from the DHCP server with the lowest MAC address.
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
amended answer.
QUESTION 13
Which parameters can be inserted in the Relay-forward message from the BNG to the DHCPv6 server?
A. Service ID and circuit ID
B. Circuit ID and remote ID
C. Interface ID and remote ID
D. Service ID and interface ID
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
great answer.
QUESTION 14
If PPPoE relay agent is enabled, which PPPoE discovery messages will not be intercepted by the BSAN?
A. PADI
B. PADO
C. Upstream PADR
D. Upstream PADT
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
best answer.
QUESTION 15
The subscriber-host gets an IP address from the RG. The RG does not manage the state of the IP
addresses. Which packet does the RG send to the subscriber-host?
A. SLAAC packet
B. DHCPv6 packet
C. ICMPv6 packet
D. SNMP packet
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 16
What is the correct command to map in the SAP-ingress (sap-ingress id: 100) and the default queue
(queue id: 1) to the scheduler-policy?
A. Configure qos sap-ingress 100 queue 1 parent <scheduler-policy-name>
B. Configure qos sap-ingress 100 queue 1 map <scheduler-policy-name>
C. Configure qos sap-ingress 100 queue 1 <schedu!er-policy-name>
D. Configure qos sap-ingress 100 queue 1 map scheduler-policy <scheduler-policy-name>
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 17
The user-name-format command will allow different formats for the authentication request sent to the
radius server. What is the default value of the user-name-format?
A. MAC address
B. Tuple
C. Circuit ID
D. ASCII-converted-circuit-id
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 18
In the case of a Routed RG, what should be the minimum host-limit value defined under the SLA profile to
support the dual-stack subscriber? Assume a single SLA profile is configured per subscriber for all
services.
A. Default
B. 1
C. 2
D. 3
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 19
What process initiates the CoA Request?
A. When a new PPP session is initiated.
B. When an IP address is requested by the host.
C. When the service provider needs to change the subscriber ESM.
D. When the subscriber reaches the maximum allocated bandwidth.
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 20
In which context would the command sap-session-limit be entered?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 21
What is the purpose of a capture SAP?
A. It captures triggering packets for the creation of an M-SAP and does not forward regular traffic.
B. It is a managed SAP that captures triggering packets and sends them upstream on the spoke SDP.
C. It defines the sub-profile, SLA profile and subscriber ID for unauthenticated users.
D. It defines the SLA profile for an M-SAP.
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 22
Which of the following is a limitation of Enhanced Subscriber Management?
A. Dynamic consumption of resources
B. Increased flexibility
C. Dynamic provisioned SAPs
D. Potential ease of configuration management
Correct Answer: C
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 23
In an M-SAP implementation, when a capture SAP sends an authentication request to the RADIUS server,
which parameters are returned by the server on a successful authentication?
A. Sub-ID string
B. M-SAP policy name
C. SAP ID of the M-SAP
D. Subscriber interface string
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 24
Which triggering packet is required to create a managed SAP?
A. DHCP Discover
B. DHCPAck
C. PPPoEPADO
D. DHCP Request
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 25
An IP-VPN subscriber is successfully authenticated in a wholesale/retail architecture. Where is the
subscriber instantiated?
A. On the wholesale VPRN of the BNG.
B. On the retail VPRN of the BNG.
C. On the managed VPLS of the BNG.
D. On the base router of the wholesale BNG.
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
trustful
QUESTION 26
In the wholesale/retail model, where is it beneficial to do authentication on the domain part of the username
only?
A. Retail VPRN service in the wholesale BNG
B. Wholesale VPRN service in the wholesale BNG
C. Wholesale VPRN service in the retail BNG
D. Retail VPRN service in the retail BNG
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Best answer.
QUESTION 27
What is the effect of enabling anti-spoofing on a SAP?
A. Ingress traffic with an unknown destination MAC address is dropped.
B. Egress traffic towards a subscriber with an unknown IP address is dropped.
C. All traffic towards another subscriber is dropped.
D. Ingress traffic with an unregistered source IP address is dropped.
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 28
Which security feature can prevent an unauthorized device (e.g. RG» to access a Triple Play network?
A. DHCP snooping
B. 802.1X
C. Anti-spoofing
D. IPSec
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 29
Click on the exhibit.
Subscriber 1 issues an ARP request for 10.1.1.2. Which information is returned in the reply?
A. Sender HW address = 00:23:3e:ec:9f:67,sender IP address = 10.1.1.254
B. Sender HW address = 00:23:3e:ec:9f:67,sender IP address = 10.1.1.2
C. Sender HW address = 8c:90:d3:79:29:62,sender IP address = 10.1.1.2
D. Sender HW address = 8c:90:d3:79:29:62,sender IP address = 10.1.1.254
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 30
What is the benefit of using ESM over MPLS?
A. The BNG group interface can be protected with MPLS Fast Reroute.
B. Subscriber sessions can be backhauled over an MPLS network directly into the BNG.
C. It allows for the creation of an ePipe from the BSAN to the BNG. with the MPLS spoke SDP terminating
directly on the group interface.
D. It removes the need for dual-homing the BSAN to two BNGs to protect subscriber sessions.
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
Explanation:
QUESTION 31
When a subscriber-host sends IP traffic to the Internet, where is the first address translation performed in
the NAT444 model?