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2021 Feb gefest 300-075 dump:
Q71. Scenario
There are two call control systems in this item. The Cisco UCM is controlling the Cisco Jabber for Windows Client, and the 7965 and 9971 Video IP Phone. The Cisco VCS is controlling the SX20, the Cisco TelePresence MCU, and the Cisco Jabber TelePresence for Windows.
Use the exhibits to answer the following questions.
DP
Locations
CSS
Movi Failure
Movi Settings
CIPTV Topo
Subzone
Links
Pipe
What two issues could be causing the Cisco Jabber Video for TelePresence failure shown in the exhibit? (Choose two.)
A. Incorrect username and password
B. Wrong SIP domain configured.
C. User is not associated with the device.
D. IP or DNS name resolution issue.
E. CSF Device is not registered.
F. IP Phone DN not associated with the user.
Answer: B,D
Q72. Which statement about enrollment in the IP telephony PKI is true? (Source. Understanding Cisco IP Telephony Authentication and Encryption Fundamentals)
A. CAPF enrollment supports the use of authentication strings.
B. The CAPF itself has to enroll with the Cisco CTL client.
C. LSCs are issued by the Cisco CTL client or by the CAPF.
D. MICs are issued by the CAPF itself or by an external CA.
Answer: A
Explanation:
Incorrect Answer: B, C, D
The CAPF enrollment process is as follows:
1. The IP phone generates its public and private key pairs.
2. The IP phone downloads the certicate of the CAPF and uses it to establish a TLS session with the CAPF.
3. The IP phone enrolls with the CAPF, sending its identity, its public key, and an optional authentication string.
4. The CAPF issues a certicate for the IP phone signed with its private key.
5. The CAPF sends the signed certicate to the IP phone.
Link: http://my.safaribooksonline.com/book/certification/cipt/9781587052613/understanding-cisco-ip-telephony-authentication-and-encryption-fundamentals/584.
Q73. Which action configures the registration of transcoder resources?
A. Cisco IOS software registers transcoder resources with SIP.
B. Cisco IOS software registers transcoder resources with SCCP.
C. Cisco IOS software registers transcoder resources with H.323.
D. Cisco IOS software does not register transcoder resources.
Answer: B
Q74. In a node-specific Service Advertisement Framework forwarder deployment model, what is the maximum number of Service Advertisement Framework forwarders that you can assign to a specific node?
A. 1
B. 2
C. 3
D. 4
E. 5
F. 6
Answer: B
Q75. An update of the configuration using the Cisco CTL client not needed when _______.
A. a Cisco Unified CallManager has been removed
B. an LSC of the IP phone is upgraded
C. a security token is added to the system
D. an IP address of the Cisco TFTP server has been changed
Answer: B
Explanation:
Incorrect Answer: A, C, D The CTL file contains entries for the following servers or security tokens:
. System Administrator Security Token (SAST)
. Cisco CallManager and Cisco TFTP services that are running on the same server
. Certificate Authority Proxy Function (CAPF) .
. TFTP server(s)
. ASA firewall
Link: http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/security/8_6_1/secugd/secuauth.h tml#wp1028878
Updated 300-075 exam dump:
Q76. For which VoIP protocol does a gatekeeper provide address translation and control access?
A. H.323
B. SIP
C. Skinny
D. H.248
Answer: A
Q77. Scenario There are two call control systems in this item. The Cisco UCM is controlling the DX650, the Cisco Jabber for Windows Client, and the 7965 and 9971 Video IP Phones. The Cisco VCS and TMS control the Cisco TelePresence Conductor, the Cisco TelePresence MCU, and the Cisco Jabber TelePresence for Windows.
Use the exhibits to answer the following questions.
DNS Servers
Device Pool
Expressway
ILS
Locations
MRA
Speed Dial
SIP Trunk
The intercluster URI call routing no longer allows calls between sites. What is the reason why this would happen? (Choose two)
A. Wrong SIP domain configured.
B. User is not associated with the device.
C. IP or DNS name resolution issue.
D. No SIP route patterns for cisco.lab exist.
Answer: C,D
Q78. The administrator at Company X is trying to set up Extension Mobility and has done these steps:
-Set up end users accounts for the users who need to roam
-Set up a device profile for the type of phones users will be allowed to log in Users have reported to the administrator that they are unable to log in to the phones
designated for Extension Mobility. Which two options are the two reasons for this issue? (Choose two.)
A. The user device profile is not associated to the correct end user.
B. The username must be numeric only and must match the DN.
C. The Extension Mobility service has not been enabled under the Cisco Unified Serviceability Page.
D. Extension Mobility has not been enabled under Enterprise Parameters.
E. The user must ensure that their main endpoint is online and registered, otherwise they cannot log in elsewhere.
Answer: A,C
Q79. Which two statements about symmetric encryption are true? (Choose two.)
A. With symmetric encryption, the encryption key equals the decryption key.
B. Symmetric encryption is commonly used to sign asymmetric keys.
C. Symmetric encryption is a good choice for real-time encryption of bulk data.
D. Symmetric encryption uses asymmetric keys.
Answer: A,C
Explanation:
Incorrect Answer: B, D There are two basic techniques for encrypting information: symmetric encryption (also called secret key encryption) and asymmetric encryption (also called public key encryption.) in symmetric key As long as both sender and recipient know the secret key, they can encrypt and decrypt all messages that use this key. A public key is made freely available to anyone who might want to send you a message. A second, private key is kept secret, so that only you know it. Link:
http://support.microsoft.com/kb/246071
Q80. Which two features require or may require configuring a SIP trunk? (Choose two.)
A. SIP gateway
B. Call Control Discovery between a Cisco Unified Communications Manager and Cisco Unified Communications Manager Express
C. Cisco Device Mobility
D. Cisco Unified Mobility
E. registering a SIP phone
Answer: A,B
Explanation:
Incorrect Answer: C, D, E All protocols require that either a signaling interface (trunk) or a gateway be created to accept and originate calls. Device mobility allows Cisco Unified Communications Manager to determine whether the phone is at its home location or at a roaming location. Cisco Unified Mobility gives users the ability to redirect incoming IP calls from Cisco Unified Communications Manager to different designated phones, such as cellular phones. Link:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/a08sip.html# wpxref77849