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350-801 Cisco Implementing Cisco Collaboration Core Technologies (350-801 CLCOR) Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Cisco 350-801 Implementing Cisco Collaboration Core Technologies (350-801 CLCOR) certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 361 questions

What is a characteristic of video traffic that governs QoS requirements for video?

A.

Video is typically constant bit rate.

B.

Voice and video are the same, so they have the same QoS requirements.

C.

Voice and video traffic are different, but they have the same QoS requirements.

D.

Video is typically variable bit rate.

What are two QoS requirements for VoIP traffic?

A.

Voice traffic must be marked "to DSCP EF.

B.

Loss must be no more man 1 percent.

C.

Voice traffic must be marked to DSCP AF41.

D.

One-way latency must be no more than 200 ms.

E.

Average one-way jitter is greater than 50 ms.

Refer to the exhibit. An administrator is attempting to register a SIP phone to a Cisco UCM but the registration is failing. The IP address of the SIP Phone is 10.117.34.222 and the IP address of the Cisco UCM is 10.0.101.10. Pings from the SIP phone to the Cisco UCM are successful. What is the cause of this issue and how should it be resolved?

A.

An NTP mismatch is preventing the connection of the TCP session between the SIP phone and the Cisco UCM. The SIP phone and Cisco UCM must be set with identical NTP sources.

B.

The certificates on the SIP phone are not trusted by the Cisco UCM. The SIP phone must generate new certificates.

C.

DNS lookup for the Cisco UCM FQDN is failing. The SIP phone must be reconfigured with the proper DNS server.

D.

An network device is blocking TCP port 5060 from the SIP phone to the Cisco UCM. This device must be reconfigured to allow traffic from the IP phone.

A Cisco IP Phone 7841 that is registered to a Cisco Unified Communications Manager with default configuration receives a call setup message. Which codec is negotiated when the SDP offer includes this line of text?

M=audio 498181 RTP/AVP 0 8 97

A.

G.711ulaw

B.

iLBC

C.

G.711alaw

D.

G.722

A customer enters no IP domain lookup on the Cisco IOS XE gateway to suppress the interpreting of invalid commands as hostnames Which two commands are needed to restore DNS SRV or A record resolutions? (Choose two.)

A.

ip dhcp excluded-address

B.

ip dhcp-sip

C.

ip dhcp pool

D.

transport preferred none

E.

ip domain lookup

An engineer configures a SIP trunk for MWI between a Cisco UCM cluster and Cisco Unity Connection. The Cisco UCM cluster fails to receive the SIP notify messages. Which two SIP trunk settings resolve this issue? (Choose two.)

A.

accept out-of-dialog refer

B.

accept out-of-band notification

C.

transmit security status

D.

allow changing header

E.

accept unsolicited notification

An engineer is configuring a phone system CISCO UCM and wants to activate TFTP service. The engineer selects the serviceability page for configuration. Which nodes configurable for TFTP?

A.

any two nodes

B.

any node

C.

only nodes that have Cisco UCM service enabled

D.

any subscriber nodes

What are the predefined call handlers in Cisco Unity Connection?

A.

opening greeting, welcome, and default system

B.

caller input, greetings, and transfer

C.

greetings, operator, and closed

D.

opening greeting, operator, and goodbye

An administrator is configuring LDAP tor Cisco UCM with Active Directory integration. A customer has requested to use “ipphone” instead of “telephoneNumber” as the phone number attribute. Where does the administrator specify this attribute mapping in Cisco UCM?

A.

LDAP Custom Filter

B.

LDAP Directory user fields

C.

LDAP Directory custom user fields

D.

LDAP Authentication

Which data security feature is included with the Pro Pack for Cisco Webex Control Hub?

A.

encryption in transit

B.

end-to-end encryption for meetings

C.

Hybrid Data Security end-to-end

D.

encryption of content

What happens when a Cisco IP phone loses connectivity to the duster during an active call?

A.

The call continues to be active, but features like transfer or hold do not work.

B.

The call continues and all features work.

C.

The call drops immediately.

D.

The call drops after missing two keepalives from Cisco UCM.

Which Webex Calling construct is used to organize calling features within a physical site?

A.

client settings

B.

locations

C.

service settings

D.

call routing

To provide high-quality voice and take advantage of the full voice feature set, which two access layer switches provide support?

A.

Use multiple egress queues to provide priority queuing of RTP voice packet streams and the ability to classify or reclassify traffic and establish a network trust boundary.

B.

Use 802, 1Q trunking and 802.1p for proper treatment of Layer 2 CoS packet marking on ports with phones connected.

C.

Implement IP RTP header compression on the serial Interface to reduce the bandwidth required per voice call on point-to-point links.

D.

Deploy RSVP to improve VoIP QoS only where it can have a positive impact on quality and functionality where there is limited bandwidth and frequent network congestion.

E.

Map audio and video streams of video calls (AF41 and AF42) to a class-based queue with weighted random early detection.

If a phone needs to register with cucm1.cisco.com, which network service assists with the phone registration process?

A.

SNMP

B.

ICMP

C.

SMTP

D.

DNS

An administrator troubleshoots a DNS issue with Cisco UCM and observes that the hostname resolution returns the wrong IP address The DNS team Informs the administrator that the A'AAA record was recently updated on the DNS server Which action must be taken on Cisco UCM to reflect the correct entries?

A.

Flush the current cache using this CLl command admin utils network name-service hosts cache Invalidate

B.

Delete me arp entry of the host utils network arp delete

C.

Flush the current cache vising this CLl command admin:utils network name-service hosts cache validate

D.

Restart the DNS server to Hush any stale entries

Which set of four functions are performed by Cisco Unified Border Element?

A.

session control, security, interworking, and demarcation

B.

PRI connections, security, faxing, and border enforcement

C.

session control, meet-me conferencing, interworking. and demarcation

D.

session control, security. SIP. and H.323

An administrator executes the debug isdn q931 command while debugging a failed call. After a test call is placed, the logs return a disconnect cause code of 1. What is the cause of this problem?

A.

The media resource is unavailable.

B.

The destination number rejects the call.

C.

The destination number is busy.

D.

The dialed number is not assigned to an endpoint.

An administrator is trying to change the default LINECODE for a voice ISDN T1 PRI. Which command makes this change?

A.

linecode ami

B.

linecode b8zs

C.

linecode hdb3

D.

linecode esf

Which information is needed to restore the backup of a Cisco UCM publisher successfully?

A.

the TFTP server details

B.

the application credentials for Cisco UCM

C.

the security password for Cisco UCM

D.

the FTP server details

A Cisco Unity Connection Administrator must set a voice mailbox so that it is accessed from a secondary device. Which configuration on the voice mailbox makes this change?

A.

Attempt Forward routing rule

B.

Mobile User

C.

Alternate Extensions

D.

Alternate Names

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Total 361 questions
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