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質問 1：
How does an IOM3 improve the queue usage over an IOM2 in an Nokia 7750 SR? (Choose two)
A. The IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.
B. The IOM3 allows multiple forwarding classes to be assigned to a single queue.
C. The IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.
D. The IOM3 allows queues to be dynamically allocated between ingress and egress.
E. The IOM3 only contains a single forwarding complex which reduces the number of queues used.
正解：D,E
質問 2：
When using an egress port scheduler, which scheduling loop priority are orphaned queues serviced on?
A. 1st
B. 17th
C. 8th
D. 9th
正解：A
質問 3：
Which of the following statements describe the operation of WRED on the Nokia 7750 SR? (Choose three)
A. WRED disables the TCP slow-start congestion control mechanism.
B. WRED polices the shared buffer pool and marks all packets above a certain rate as "discard eligible."
C. WRED uses the shared buffer utilization, instead of the individual queue depth, to get a better picture of the average resource utilization of the shared buffer space.
D. WRED monitors the shared buffer space utilization over a period of time.
E. WRED uses two configurable slopes for each buffer pool: a high slope and a low slope.
正解：C
質問 4：
Which of the following fields can be marked or remarked for frames belonging to a Layer 2 service?
A. ToS
B. Dot1p
C. PREC
D. DSCP
E. Q-in-Q
正解：B
質問 5：
Which of the following are NOT ingress matching criteria for a network policy? (Choose two)
A. LSP EXP
B. TCP port numbers
C. Source and destination IP addresses
D. DSCP
E. Dot1p priority
正解：B,C
質問 6：
Which of the following statements describes a queue's weight parameter that is used in the hierarchical scheduling?
A. The weight is used to determine how this queue and other queues or schedulers at the same level share available above CIR bandwidth at that level.
B. The weight is used to determine how this queue and other queues or schedulers at the same CIR-level share available CIR bandwidth at that level.
C. The weight specifies the priority of the queue during scheduling above-CIR, up to its PIR.
D. The weight specifies the priority of the queue during scheduling up to its CIR.
正解：A
How does an IOM3 improve the queue usage over an IOM2 in an Nokia 7750 SR? (Choose two)
A. The IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.
B. The IOM3 allows multiple forwarding classes to be assigned to a single queue.
C. The IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.
D. The IOM3 allows queues to be dynamically allocated between ingress and egress.
E. The IOM3 only contains a single forwarding complex which reduces the number of queues used.
正解：D,E
質問 2：
When using an egress port scheduler, which scheduling loop priority are orphaned queues serviced on?
A. 1st
B. 17th
C. 8th
D. 9th
正解：A
質問 3：
Which of the following statements describe the operation of WRED on the Nokia 7750 SR? (Choose three)
A. WRED disables the TCP slow-start congestion control mechanism.
B. WRED polices the shared buffer pool and marks all packets above a certain rate as "discard eligible."
C. WRED uses the shared buffer utilization, instead of the individual queue depth, to get a better picture of the average resource utilization of the shared buffer space.
D. WRED monitors the shared buffer space utilization over a period of time.
E. WRED uses two configurable slopes for each buffer pool: a high slope and a low slope.
正解：C
質問 4：
Which of the following fields can be marked or remarked for frames belonging to a Layer 2 service?
A. ToS
B. Dot1p
C. PREC
D. DSCP
E. Q-in-Q
正解：B
質問 5：
Which of the following are NOT ingress matching criteria for a network policy? (Choose two)
A. LSP EXP
B. TCP port numbers
C. Source and destination IP addresses
D. DSCP
E. Dot1p priority
正解：B,C
質問 6：
Which of the following statements describes a queue's weight parameter that is used in the hierarchical scheduling?
A. The weight is used to determine how this queue and other queues or schedulers at the same level share available above CIR bandwidth at that level.
B. The weight is used to determine how this queue and other queues or schedulers at the same CIR-level share available CIR bandwidth at that level.
C. The weight specifies the priority of the queue during scheduling above-CIR, up to its PIR.
D. The weight specifies the priority of the queue during scheduling up to its CIR.
正解：A
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