A. Calls to the PSTN can be made via the use of FXO or T1/E1 trunk ports.
B. Calls to the PSTN can be made via FXS or T1/E1 trunk ports.
C. Analog and IP phones can be connected to the VoIP network via FXO or T1/E1 trunk ports.
D. Calls between analog phones that are attached to the FXS ports in a VoIP network can be completely processed by voice-enabled routers.
您可能感興趣的試卷
你可能感興趣的試題
A. Standard encoding techniques create an uncompressed digital data rate of 4000 bps.
B. Standard encoding techniques create an uncompressed digital data rate of 8000 bps.
C. Standard encoding techniques create an uncompressed digital data rate of 64，000 bps.
D. Voice quality is not a concern if compression is not used.
E. Two methods of quantization are linear and logarithmic.
F. Two methods of compression are u-law and a-law.
A. The three required steps in the analog to digital conversion are sampling， encoding， and compression.
B. The three required steps in the analog to digital conversion are sampling， quantization， and compression.
C. The three required steps in the analog to digital conversion are sampling， quantization， and encoding.
D. The output of the sampling process is a pulse code modulation （PCM） signal.
E. The output of the sampling process is a pulse amplitude modulation （PAM） signal.
A. CBWFQ
B. LLQ
C. traffic shaping
D. WRED
A. policy routing
B. increase link capacity
C. WRED
D. CBWFQ
E. LFI
F. WFQ
A. EAP-FAST has the ability to tie login with non-Microsoft user databases
B. EAP-TLS supports static passwords
C. PEAP supports one-time passwords
D. LEAP does not support multiple operating systems
E. LEAP supports Layer 3 roaming
F. PEAP does not work with WPA·
最新試題
What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？ （）
What are two reasons to implement H·323 gatekeepers？（）
Which two functions can be provided by an Integrated Services Router （ISR） in a VoIP network？（）
In a VoIP network， which type of interface would an analog fax machine connect to？（）
Which two QoS classification and marking statements are true？ （）
What are the three models of quality of service （QoS） in a network？（）
Which three benefits are realized by implementing Wireless LAN Solution Engine （WLSE）？（）
End-to-end QoS is maintained in the Cisco WLAN deployment model by utilizing what parameter in lieu of 802.1p？（）
Which three functions can an Integrated Services Router perform in a VoIP network？（）
Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）