單項(xiàng)選擇題Using the G.729 codec and the default cRTP configuration, what is the approximate VoIP bandwidth savings across a Frame Relay link that adds a 6 byte frame header?"()

A. 55%
B. 58%
C. 60%
D. 63%


您可能感興趣的試卷

你可能感興趣的試題

1.多項(xiàng)選擇題Which two statements about the open and shared key wireless-authentication methods are true? ()

A. Shared key authentication is considered more secure than open authentication.
B. Shared key authentication is considered less secure than open authentication.
C. If the WEP keys do not match using the open authentication method, the client will not authenticate, associate, and transfer data.
D. If the WEP keys do not match using the open authentication method, the client will still be able to authenticate and associate, but will not transfer data.
E. If the WEP keys do not match using the open authentication method, the client will still be able to authenticate, associate, and transfer data.

2.多項(xiàng)選擇題What are two features of WCS wireless management? ()

A. centralized management for autonomous access points
B. centralized management for lightweight access points
C. integration with the Location Appliance to expand real time tracking to 1500 devices for 30 days
D. integration with the Location Appliance to expand real time tracking to 2500 devices for 15 days
E. the inclusion of an integrated AAA server
F. an external AAA-server requirement

3.多項(xiàng)選擇題What are two features of WLSE-Express wireless management? ()

A. centralized management for autonomous access points
B. centralized management for lightweight access points
C. centralized management that requires an external AAA server
D. centralized management with integrated AAA server
E. integration with the Location Appliance to expand real time tracking to 1500 devices for 30 days
F. integration with the Location Appliance to expand real time tracking to 2500 devices for 30 days

4.多項(xiàng)選擇題When a router converts analog signals to digital signals, what three steps are always included in the process? ()

A. involution
B. encoding
C. sampling
D. quantization
E. compression
F. companding

5.單項(xiàng)選擇題Which statement is true about the comparison of voice traffic with video traffic?()

A. Video conferencing traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.
B. Latency requirements are less stringent for video traffic than for voice traffic.
C. Video traffic is less sensitive to dropped packets than for voice traffic.
D. Video traffic requires the retransmission capabilities of TCP whereas voice uses UDP.
E. Voice traffic tends to be much more bursty in nature and is more prone to have an impact on other traffic flows.
F. Voice traffic requires the retransmission capabilities of TCP whereas video uses UDP.

最新試題

Which two functions can be provided by an Integrated Services Router (ISR) in a VoIP network?()

題型:多項(xiàng)選擇題

Which two statements are correct about the signaling methods that are utilized for transmitting voice? ()

題型:多項(xiàng)選擇題

Which three benefits are realized by implementing Wireless LAN Solution Engine (WLSE)?()

題型:多項(xiàng)選擇題

Which two QoS classification and marking statements are true? ()

題型:多項(xiàng)選擇題

In the design of a QoS solution, which two factors should be taken into consideration?()

題型:多項(xiàng)選擇題

When QoS levels in the Cisco Wireless Control System (WCS) are entered, which profile names are used to identify the access categories?()

題型:單項(xiàng)選擇題

What are three factors used to determine the amount of bandwidth that is required for a single VoIP call? ()

題型:多項(xiàng)選擇題

Which two commands should be entered on a WLAN controller to remove any residual configuration?()

題型:單項(xiàng)選擇題

What is the term that is used to describe the process of converting a signal from digital to analog?()

題型:單項(xiàng)選擇題

Which set of classes correctly identifies the four traffic classes, from highest priority to lowest priority, specified in the 802.11e standard?()

題型:單項(xiàng)選擇題