A.A voice packet is sent via multiple fixed-length cells; a portion of the last cell is padding, requiring more bandwidth.
B.ADSL typically uses PPPoE encapsulation, which adds additional overhead to each voice packet.
C.A voice packet is sent via multiple fixed-length cells; each cell has about 10% Layer-2 header overhead.
D.IPSec requires additional overhead for the header and hash.
E.ADSL carrier band requires additional bits to be carried over the wire to the DSL Access Concentrator.
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Refer to the exhibit. With an IPSec tunnel established between remote Router A and head-end router B, how can the Service Provider Edge Router identify Voice over IP packets flowing through the IPSec tunnel from a Cisco 7960 IP phone?（）
A.UDP ports 16384 through 32727
B.ESP packets less than 113 byes
C.DiffServ codepoint EF Expedited Forwarding
D.RTP ports 6970 through 6999
Refer to the exhibit. An enterprise's security policy disallows the use of wireless on a Teleworker PC. Choose the most appropriate 830 security feature to use to enforce the security policy.（）
A.802.1X authentication
B.authentication proxy
C.Context Based Access Control
D.Lock and Key authentication
Refer to the exhibit. Available public Internet sites are sometimes used for estimating performance. Which statement regarding their use for estimating VPN performance is correct?（）
A.Throughput results are valid as a value from the Teleworker's home to the corporate site, regardless of the location of the public test server.
B.Throughput results may not be valid due to the public server's location on the Internet and fluctuations based on the use of the public server.
C.Throughput values are not affected by the choice of split tunneling or Internet access through the VPN.
D.Throughput results are unrelated to the Teleworker PC configuration or current PC use.
A.256kbps / 1024kbps
B.256kbps / 1544kbps
C.160kbps / 768kbps
D.384kbps / 384kbps
E.128kbps / 512kbps
A.Process Switching
B.Silicon Switching
C.Cisco Express Forwarding (CEF) Switching
D.Autonomous Switching
最新試題
A customer wants to TFTP a new image from the corporate network to Flash on the Teleworker router through the IPSec tunnel. How should you configure the Teleworker router?（）
When is it appropriate to enable Link Fragmentation and Interleaving (LFI) on DSL connections for Teleworkers?（）
Refer to the exhibit. An enterprise's security policy disallows the use of wireless on a Teleworker PC. Choose the most appropriate 830 security feature to use to enforce the security policy.（）
In a Teleworker deployment with a single IP phone connected to a Cisco 831 router, select the true statement regarding Call Admission Control.（）
Refer to the exhibit. Given the DHCP pool configuration shown on Router A, the Cisco IP phone will not boot up in the Teleworker location. What is missing from the Teleworker DHCP pool configuration?（）
What characteristics make ADSL the likely choice among DSL technologies for Teleworker?（）
Refer to the exhibit. Easy VPN operates in two modes. The exhibit represents network extension mode. Choose the best reason for using this mode.（）
When IP Telephony is deployed for Teleworkers using the Cisco Business Ready Teleworker solution, which statements are true?（）
A customer indicates they run a mission-critical application which marks its packets best-effort (DSCP=0). How can you guarantee delivery of this traffic?（）
What are disadvantages of Network Address Translation Transparency?（）