end-to-end network delay times that exceed 50 ms for real-time traffic are considered unacceptable
end-to-end network delay times that exceed 250 ms for real-time traffic are considered unacceptable
end-to-end network delay is not a factor as long as the delay is consistent
some packet loss can be corrected by codec algorithms
RSVP handles voice packet retransmission
fragmentation is a result of packet loss
第1题：
Which two statements are true about the Application Grid ？（）
第2题：
Which two statements or sets of statements are true about the application of the qos pre-classify command？（）
第3题：
A. AH provides data integrity.
B. AH is identified by IP protocol 50.
C. AH is identified by IP protocol 51.
D. AH cannot work in conjunction with ESP
第4题：
Which two statements about the Cisco Nexus 1000V VSM are true?（）
第5题：
Which two statements about the best effort model for QoS are true？（）
第6题：
Which three statements are true about the application of QoS models？ （）
第7题：
Which two statements are true about L2TP tunnels?（） (Choose two.)
第8题：
A. 1 is the default precedence.
B. A lower number is preferred.
C. A higher number is preferred.
D. 100 is the default precedence.
第9题：
Which two statements are true about the application of QoS in a converged network？（）
第10题：
You need to determine where the trust boundaries will be in a new Company VOIP design. Which two statements are true about these trust boundaries？（）