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400-051 Exam Questions - Online Test


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Q1.  How are queues serviced in Cisco IOS routers with the CBWFQ algorithm? 

A. first-in, first-out 

B. weighted round robin based on assigned bandwidth 

C. strict priority based on assigned priority 

D. last-in, first-out 

E. weighted round robin based on assigned priority 

Answer:

Q2. Which Cisco Unified Communications Manager Express ephone button configuration separator enables overflow lines when the primary line for an overlay button is occupied by an active call? 

A. o 

B. c 

C. w 

D. x 

E. : 

Answer:

Q3. Refer to the exhibit. 

Which ds0-group option should you select to support automated number identification information collection on inbound calls for this digital T1 voice circuit? 

A. e&m-wink-start 

B. e&m-delay-dial 

C. e&m-delay-dial 

D. e&m-lmr 

E. e&m-fgd 

Answer:

Q4. To which QoS tool category does compressed RTP belong? 

A. classification 

B. marking 

C. link efficiency 

D. queuing 

E. prioritization 

Answer:

Q5. Which definition is included in a Cisco UC on UCS TRC? 

A. storage arrays such as those from EMC or NetApp, if applicable 

B. configuration of virtual-to-physical network interface mapping 

C. step-by-step procedures for hardware BIOS, firmware, drivers, and RAID setup 

D. server model and local components (CPU, RAM, adapters, local storage) at the part number level 

E. configuration settings and patch recommendations for VMware software 

Answer:

Q6. Refer to the exhibit. 

You received this debug output to troubleshoot a Cisco IOS MGCP gateway call quality issue at a customer site. Which statement about this message is true? 

A. The MGCP gateway is responding to an RQNT message from Cisco Unified Communications Manager to poll the call statistics of an active call. 

B. The MGCP gateway is responding to an AUEP message from Cisco Unified Communications Manager to poll the call statistics of a terminating call. 

C. The MGCP gateway is responding to an MDCX message from Cisco Unified Communications Manager during a call setup. 

D. The MGCP gateway is responding to an AUCX message from Cisco Unified Communications Manager about an active call. 

E. The MGCP gateway is responding to a DLCX message from Cisco Unified Communications Manager about a terminating call. 

Answer:

Q7. Which two applications can connect directly with a Cisco Unified Communications Manager Session Management Edition cluster? (Choose two.) 

A. Cisco Unity 

B. Cisco Unified Meeting Place Express 

C. Cisco Unified Contact Center Enterprise 

D. Cisco Unified Contact Center Express 

E. Cisco Unified Communications Manager Attendant Console 

F. Cisco Emergency Responder 

Answer: AB 

Q8. Refer to the exhibit. 

A user is going through a series of dialing steps on an SCCP IP phone (extension 1001) to call another SCCP IP phone (extension 2003). Both phones are registered to the same Cisco Unified Communications Manager cluster. Which user inputs are sent from the calling IP phone to the Cisco Unified Communications Manager, in forms of SCCP messages, after the user pressed the Dial softkey? Note that the commas in answer choices below are logical separators, not part of the actual user input or SCCP messages. 

A. A separate SCCP message is sent to Cisco Unified Communications Manager for each of the following user inputs: 2, 0, 0, 3. 

B. A separate SCCP message is sent to Cisco Unified Communications Manager for each of the following user inputs: 2, 0, 1, <<, 0, 3. 

C. A single SCCP message is sent to Cisco Unified Communications Manager to report that digits 2003 have been dialed. 

D. A single SCCP message is sent to Cisco Unified Communications Manager to report that digits 201<<03 have been dialed. 

E. A separate SCCP message is sent to Cisco Unified Communications Manager for each of the following user inputs: 2, 0, 1, <<, 2, 0, 0, 3. 

Answer:

Q9. What is the minimum number of TCP sessions needed to complete a H.323 call between two H.323 gateways using slow start? 

A. 0 

B. 1 

C. 2 

D. 3 

E. 4 

Answer:

Q10. Which four attributes are needed to determine the time to complete a TFTP file transfer process? (Choose four.) 

A. file size 

B. file type 

C. network interface type 

D. round-trip time 

E. packet loss percentage 

F. response timeout 

G. network throughput 

Answer: ADEF