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为通过CCNP 300-435考试做好准备：2026年更新的历年真题。Cisco Enterprise 300-435 ENAUTO | 思博网络版本。

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问题 #1

An engineer implements QoS in the enterprise network. Which command can be used to verify the correct classification and marking on a Cisco IOS switch?

A. show class-map interface GigabitEthernet 1/0/1

B. show policy-map interface GigabitEthernet 1/0/1

C. show policy-map

D. show access-lists

正确答案：A

问题 #2

Which two functionalities does Cisco Expressway provide in the Cisco Collaboration architecture? (Choose two.)

A. Survivable Remote Site Telephony functionality

B. customer interaction management services

C. secure firewall and NAT traversal for mobile or remote Cisco Jabber and TelePresence Video endpointsD. MGCP gateway registration

E. Secure business-to-business communications

正确答案：D

问题 #3

You deploy Mobile and Remote Access for Jabber and discover that Jabber for Windows does no register to Cisco Unified Communication Manager while outside of the office. What is a cause of this issue?

A. Server 4.2.2.2 is not a valid DNS server.

B. The DNS record should be created for _cisco-uds._tcp.example.com.

C. The DNS record should be changed from _collab-edge._tcp.example.com to __collab-edge _tls.example.com.

D. The DNS record type should be changed from SRV to

正确答案：A

问题 #4

An engineer is notified that the Cisco TelePresence MX800 that is registered in Cisco Unified Communications Manager shows an empty panel, and the Touch 10 shows a corresponding icon with no action when pressed. Where does the engineer go to remove the inactive custom panel?

A. The Software Upgrades page in CUCM OS Administration

B. The In-Room Control Editor on the webpage of the MX800

C. The phone configuration page in CUCM Administration

D. The SIP Trunk Security Profile page in CUCM Administration

正确答案：C

问题 #5

What field is configured to change the caller ID information on a SIP route pattern?

A. Route Partition

B. Called Party Transformation Mask

C. Calling Party Transformation Mask

D. Connected Line ID Presentation

正确答案：C

问题 #6

A call is failing to establish between two SIP Devices The called device answers with this SOP. Which SDP parameter causes this issue?

A. The payload for G.711ulaw must be 18.

B. The calling device did not offer a ptime value.

C. The media stream is set to sendonly.

D. The RTP port is set to 0.

正确答案：C

问题 #7

Calls are being delivered to the end user in the globalized format. Where does an engineer configure the calling number into a localized format?

A. route pattern

B. service parameters

C. IP phone

D. gateway

正确答案：C

问题 #8

An engineer configures local route group to simplify a dial plan. Where does the engineer set the route groups according to the local route group names that are configured?

A. CSS

B. route pattern

C. device pool

D. route list

正确答案：A

问题 #9

When a user dials a number with a phone that is registered to the Cisco Unified Communications Manager, what is the default timeout before the number is sent?

A. 15 seconds

B. 5 seconds

C. 10 seconds

D. 3 seconds

正确答案：A

问题 #10

Which action is required if an engineer wants to have Cisco Unified Communications Manager control the configuration for an MGCP gateway?

A. Apply the ccm-manager configuration commands to the gateway.

B. Upload the custom configuration in the TFTP server in Cisco Unified CM.

C. From Cisco Unified CM > Device > Gateway > Add gateway, check the auto-configuration check box.

D. Configure the Cisco Unified CM's IP in voice service VoIP.

正确答案：B

问题 #11

An engineer with ID012345678 must build an international dial plan in Cisco Unified Communications Manager. Which action should be taken when building a variable-length route pattern?

A. reduce the T302 timer to less than 4 seconds

B. configure single route pattern for international callsC. create a second route pattern followed by the # wildcard

D. set up all international route patterns to 0.!

正确答案：CE

问题 #12

The translation rule is configured on the voice gateway to translate DNIS. What is the outcome if the gateway receives 0255-343-1234 as DNIS?

A. The translation is not matched because DNIS contains “-”.

B. The translation is not matched because DNIS does not end with a “$”.

C. The translation is matched and the translated number is 02553431234.

D. The translation is matched and the translated number is 025553431234.

正确答案：BC

问题 #13

Refer to the exhibit The SDP offer/answer has been completed successfully but there is no DTMF when users press keys. What is the cause of the issue?

A. DTMF was negotiated properly in these messages.

B. G.729 rather than G.711ulaw was negotiated.

C. Payload type 110 was negotiated rather than type 101.

D. DTMF was not negotiated on the call.

正确答案：A

问题 #14

What is the major difference between the two possible Cisco IM 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 standby node 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 an unconfigured 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 standby node 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 in the event of an outage. Active/standby mode provides an always on standby node in the event of an outage, but it does not provide load balancing.

正确答案：C

问题 #15

An engineer wants to manually deploy a Cisco Webex DX80 video endpoint to an end user. Which type of provisioning can be configured on the endpoint?

A. CUBE

B. CMS

C. CUCM

D. Edge

正确答案：B

问题 #16

Which two conditions must a user meet to provision a new device using the Self-Provisioning feature? (Choose two.)

A. The user must have a primary extension.

B. At least two DNs must be assigned to the user device.

C. The user must be part of “Standard CCM Super User”.

D. The user must have the appropriate universal device template linked to the user profile.

E. The user must have at least user device profile assigned.

正确答案：C

问题 #17

A remote office has a less-than-optimal WAN connection and experiences packet loss, delay, and jitter. Which VoIP codec should be used in this situation?

A. G.711ulaw

B. iLBC

C. G.722.1

D. G.729A

正确答案：A

问题 #18

Endpoint A calls endpoint

B. What is the only audio codec that can be used for the call?

A. Telephone-event/8000

B. G7221/16000

C. PCMA/8000

D. G722/8000

正确答案：C

问题 #19

A present redundancy group is deployed, and an engineer with ID012345678 initiates a manual fallback. Which statement about Cisco Server Recovery Manager is true?

A. disconnects all users that had been failed over, and the users must log in again.

B. disconnects all users that had been failed over

C. restarts critical on the secondary node

D. restarts the Cisco Presence Engine

正确答案：C

问题 #20

How many DNS SRV entries can be defined in the SIP trunk destination address field in Cisco Unified Communications Manager?

A. 1

B. 8

C. 16

D. 4

正确答案：B

问题 #21

Given this "debug isdn q921" output, what is the problem with the PRI?

A. Layer 1 is down on the controller.

B. PRI does not have an IP address configured on the interface.

C. Nothing, the PRI is sending keepalives.

D. Layer 2 is down on the controller.

正确答案：AB

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