Nokia 4A0-107 Exam Questions Instant Access

Question 1

What feature makes a traffic stream real-time?

AIts rate fluctuates rapidly with time.

BIts bandwidth requirements are high.

CTime between packets remains unchanged and end-to-end delay is kept to a minimum.

DAll packets received are guaranteed to be delivered to the destination.

Answer : C

Question 2

What is the maximum number of forwarding subclasses a forwarding class can have?

B64

C72

D16

E56

Answer : E

Question 3

Which of the following self-generated traffic applications is considered ''management'' traffic, as opposed to ''protocol'' traffic?

AIS-IS

BRSVP

CICMP

DBGP

Answer : C

Question 4

Click the exhibit button below. A network operator has configured a network-queue policy to map forwarding classes to queues, as shown in the exhibit below. Based on the default scheduling behavior of the Nokia 7750 SR, in which order will packets be serviced?

AAll in-profile packets in round-robin, then all out-of-profile packets in biased round-robin.

BIn-profile EF packets, then in-profile H2 packets, then in-profile AF packets, then out-of-profile EF packets, then out-of-profile H2 and AF packets, and then out-of-profile BE packets.

CIn-profile EF, H2 and AF packets, then out-of-profile H2, AF and BE packets in biased round-robin.

DIn-profile EF packets, then in-profile H2 and AF packets, then out-of-profile H2, AF and BE packets in biased round-robin.

EIn-profile EF and H2 packets, then in-profile AF packets, then out-of-profile H2, AF and BE packets in biased round-robin.

Answer : D

Question 5

Which of the following is NOT a valid configuration value for a queue's CIR parameter within a SAP-ingress policy?

Bmin

Cmax D. 50000

Answer : B

Question 6

Why are the four QoS steps (classification, queuing, scheduling, and marking/remarking) executed twice for every packet entering a 7750 SR router?

AOnce before going through each of the redundant switching fabrics.

BTo protect against failure of either ingress or egress card.

COnce before going through the switching fabric, and once more before going onto the egress port.

DOnce to decide if the packet is in-profile or out-of-profile, and once more to process the packet according to its profile.

Answer : C

Question 7

Which of the following are entities of the Nokia 7750 SR on which you can NOT apply a network-queue policy? (Choose three)

ARouter interfaces

BIngress MDA

CIngress Ethernet network ports

DEgress Ethernet network ports

EService SAPs

Answer : A, C, E

Nokia Quality of Service 4A0-107 Exam Questions