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Questions # 31:

Which of the following identify the port roles of the mesh SDPs?

Question # 31

A)

Question # 31

B)

Question # 31

C)

Question # 31

D)

Question # 31

Options:
A.

Option A

B.

Option B

C.

Option C

D.

Option D

Questions # 32:

Click the exhibit button below. A network operator has configured the SAP-ingress policy below. Ping traffic is expected in queue 3. However, the network operator notices that all traffic is placed in queue 1. What is the most probable reason for this?

Question # 32

Options:
A.

The default forwarding class for all traffic, including ICMP, is BE, which is placed in queue 1.

B.

The SAP has been shut down.

C.

The IP-match criteria has been misconfigured for ICMP traffic.

D.

Queue 3 has no rate or CIR configured and thus cannot hold any packets.

E.

The SAP-ingress policy has not been applied to the SAP.

Questions # 33:

What is the 6-bit binary representation of DSCP value AF21?

Options:
A.

010011

B.

100010

C.

010001

D.

001100

E.

010010

Questions # 34:

Which of the following statements about G.8032 Ethernet Ring Protection is FALSE?

Options:
A.

Uses standard Ethernet dot1q and QinQ encapsulation.

B.

Requires IS-1S as the protocol to carry control information.

C.

Ethernet Ring APS is a defined ITU standard.

D.

Standard Ethernet forwarding, learning, and flooding rules apply.

Questions # 35:

Which of the following QoS functions does the slope-policy perform?

Options:
A.

Classification

B.

Marking

C.

Queuing

D.

Congestion management

E.

Scheduling

Questions # 36:

For the Carrier supporting Carrier (CSC) VPRN, which routes are advertised between CSC-PE1 and SCS-PE2?

Question # 36

Options:
A.

BGP IPv4 routes for all PE system addresses in AS 5000.

B.

VPN-IPv4 routes for all PE system addresses in AS 5000.

C.

BGP labeled IPv4 routes for all PE system addresses in AS 5000.

D.

LDP labeled routes for all PE system addresses in AS 5000.

Questions # 37:

Which of the following are examples of metrics for QoS?

Options:
A.

Signal degradation, attenuation, line loss

B.

Latency, FIFO, WRED

C.

Delay, jitter, packet loss

D.

SNR, queue depth, latency

E.

Attenuation, dispersion, latency

Questions # 38:

Click the exhibit button below. Given the SAP-ingress policy, which of the following statements are TRUE? (Choose three)

Question # 38

Options:
A.

All AF traffic will be marked "in-profile" at the SAP-ingress.

B.

All TCP traffic will be mapped to forwarding class EF.

C.

UDP traffic is placed in queue 3 while ICMP traffic is placed in queue 5.

D.

EF traffic will receive higher scheduling priority than H2 traffic.

E.

Traffic that does not match any of the IP criteria will be placed in queue 3.

Questions # 39:

Which of the following statements regarding egress FC and profile over-ride are TRUE? (Choose two)

Options:
A.

Packets can be classified into 16 different FCs when using priority mode queuing.

B.

This feature is available on egress SAPs within any service.

C.

MPLS EXP bits can be changed based on multi-field classification.

D.

If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, only the MF override parameters will take effect.

E.

If a Behavior Aggregate (BA) and Multi-field (MF) match occurs, the BA classification can override the forwarding class while the MF classification can override the profile.

Questions # 40:

Which of the following are characteristics of 802.1p? (Choose two)

Options:
A.

802.1p adds 16 bits to the Layer 2 header,

B.

802.1p adds 16 bits to the Layer 3 header.

C.

802.1p specifies 64 different priority levels.

D.

802.1p uses a field in the 802.1Q header.

E.

802.1p uses a field in the Layer 3 IP header

F.

802.1p defines a 3-bit Class of Service field.

Questions # 41:

The IP ToS field consists of ________ bits, of which ________are used. The _________most significant (first) bits define precedence.

Options:
A.

8, 6, 3

B.

8, 8, 6

C.

16, 8, 4

D.

8, 6, 4

E.

24, 16, 8

Questions # 42:

Real-time rate limiting on the service ingress is a feature that performs_____________. Traffic above the defined PIR is ______________.

Options:
A.

Policing, expedited

B.

Metering, marked discard eligible

C.

Marking, marked discard eligible

D.

Policing, discarded

E.

Shaping, discarded

Questions # 43:

In the image shown above, the SAP-ingress policy is applied properly to a Nokia 7750 SR. A traffic stream is received from an IP address of 192.168.1.1 with DSCP set to EF. Which forwarding class and priority level is used for this traffic stream?

Question # 43

Options:
A.

FC H1, high

B.

FC EF, high

C.

FC H2, low

D.

FC EF, low

Questions # 44:

Which of the following statements regarding buffer pool allocation are FALSE? (Choose two)

Options:
A.

Each network egress port receives its own buffer pool.

B.

Each SAP-egress port receives its own buffer pool.

C.

All SAP-ingress ports on the same MDA share a buffer pool.

D.

All the network ingress ports on the same MDA share a buffer pool.

E.

Each network ingress port on the same MDA receives its own buffer pool.

Questions # 45:

Which of the following is an advantage of using shaping instead of policing?

Options:
A.

Shaping does not add latency.

B.

Shaping does not add jitter.

C.

Shaping protects downstream nodes from traffic bursts.

D.

Shaping requires less memory to buffer packets.

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