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SIP proxies have operations defined in RFC 3261 and supporting extensions. Though no lETF RFC completely defines how SBCs must function. SBCs evolved over the years.

Which two operations demonstrate the high-level differences between SBCs and SIP proxies? (Choose two.)

A.

Stateful proxies are context-aware and can terminate communication sessions by themselves

B.

SlP proxies add a Via header and optionally a Record-Route header, and the rest of the headers are left untouched

C.

SBCs can modify headers such as To, From, Contact, and Call-D.lt can introduce new headers into the SIP message

D.

SBCs are capable of interworking completely different protocols to set up, modify, and tear down communication sessions. It includes SIP, H.323,and MGCP protocols

E.

SIP proxies are SDP-aware and can change the SDP bodies

What describes the outcome when the trust boundary is defined at the Cisco IP phone?

A.

Packets or Ethernet frames are remarked at the distribution layer switch.

B.

Packets or Ethernet frames are not remarked at the access layer switch.

C.

Packets or Ethernet frames are not remarked by the IP phone.

D.

Packets or Ethernet frames are remarked at the access layer switch.

An administrator needs to create a partial PRI consisting of the first seven timeslots available. Which configuration snippet configures the ISDN E1 PRI for this task?

A.

B.

C.

D.

Refer to the exhibit. Cisco Unified element is attempting to establish a call with Subcribers1, but the call fails. Cisco Unified Border Element then retries the same call with Subcribers2, and the call proceeds normally.

Which action resolves the issue?

A.

Verify that the correct calling search space is selected for the inbound Calls section

B.

Verify that the run on all active United CM Nodes checkbox is enabled

C.

Verify that the Significant Digits field for inbound Calls is set to All.

D.

Verify that the PSTN Access checkbox is enabled.

What are the last two bits of a DS field in DiffServe Byte used for?

A.

INC

B.

AFxy

C.

ECN

D.

RMI

Which service on the Presence Server is responsible for maintaining the point-to-point chat connections between Jabber clients?

A.

Cisco SIP Proxy

B.

Cisco XCP Text Conference Manager

C.

Cisco XCP Router

D.

Cisco XCP XMPP Federation Manager

What is required when deploying co-resident VMs by using Cisco UCM?

A.

Provide a guaranteed bandwidth of 10 Mbps.

B.

Deploy the VMs to a server running Cisco UCM.

C.

Avoid hardware oversubscription.

D.

Ensure that applications will perform QoS.

Which TCP port is used by default for SIP OAuth on a Cisco UCM server when using Mobile and Remote Access?

A.

5060

B.

5061

C.

5090

D.

5091

What is the major difference between the two possible Cisco lM and Presence high-availability modes?

A.

Balanced mode provides user load balancing and user failover in the event of an outage. Active/standby mode provides an always on standbynode in the event of an outage, and it also provides load balancing.

B.

Balanced mode provides user load balancing and user failover only for manually generated failovers. Active/standby mode provides anunconfigured standby node in the event of an outage, but it does not provide load balancing.

C.

Balanced mode provides user load balancing and user failover in the event of an outage. Active/standby mode provides an always on standbynode in the event of an outage, but it does not provide load balancing.

D.

Balanced mode does not provide user load balancing, but it provides user failover in the event of an outage. Active/standby mode provides analways on standby node in the event of an outage, but it does not provide load balancing.

What are two functions of Cisco Expressway in the Collaboration Edge? (Choose two.)

A.

Expressway-C provides encryption (or Mobile and Remote Access but not (or business-to-business communications.

B.

The Expressway-C and Expressway-E pair can enable connectivity from the corporate network to the PSTN via a T1/E1 trunk.

C.

The Expressway-C and Expressway-E pair can interconnect H.323-to-SIP calls for voice.

D.

Expressway-E provides a VPN entry point for Cisco IP phones with a Cisco AnyConnect client using authentication based on certificates.

E.

Expressway-E provides a perimeter network that separates the enterprise network from the Internet.