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Following questions and answers are all new published by Cisco Official Exam Center: https://www.lead2pass.com/300-070.html
QUESTION 161
Hackers are sending calls through a gateway router that is running SIP. The engineer blocks all SIP messages to the router except from their SIP server, which has an IP address of 208.177.10.1. The customer also must connect via SIP to their Cisco Expressway server with an IP address of 10.1.10.110. Which series of commands secures the router from the hackers?
A. voice service voip
voip security allow
ipv4 208.177.10.1 255.255.255.255
ipv4 10.1.10.110 255.255.255.255
B. voice service voip
ip address trusted list
ipv4 208.177.10.1 255.255.255.255
ipv4 10.1.10.110 255.255.255.255
C. voice service voip
allow-connections sip to sip
ipv4 208.177.10.1 255.255.255.255
ipv4 10.1.10.110 255.255.255.255
D. voice service voip
address-hiding
ipv4 208.177.10.1 255.255.255.255
ipv4 10.1.10.110 255.255.255.255
Answer: B
Explanation:
http://www.cisco.com/c/en/us/support/docs/voice/call-routing-dial-plans/112083-tollfraud-ios.html
QUESTION 162
Which route pattern is the best match for the range of 6000 to 6599?
A. 65XX
B. 60XX
C. 6[05]XX
D. 6XXX
E. 6[0-5]XX
Answer: E
QUESTION 163
When the Cisco IOS router or gateway receives a call setup request, what is the PID value of the default dial peer?
A. ID:3
B. PID:6
C. PID:0
D. PID:4
E. PID:5
F. PID:1
G. PID:2
H. PID:7
Answer: C
Explanation:
http://www.cisco.com/c/en/us/support/docs/voice/call-routing-dial-plans/14074-in-dial-peer-match.html
QUESTION 164
Callers inform you that they hear a second dial tone after dialing the number 4085550123. Which dial-peer configuration command resolves this issue?
A. answer-address 408555….
B. destination-pattern 91[2-9]..[2-9]…..
C. forward-digits all
D. direct-inward-dial
Answer: D
Explanation:
https://supportforums.cisco.com/document/16911/how-stop-cisco-ios-gateway-sending-second-dial-tone-call-through-isdn-pri
QUESTION 165
What function does the device pool perform?
A. It separates user and physical location information.
B. It sets the default device parameters for all IP phones in the cluster.
C. It sets the location bandwidth used between different locations.
D. It provides a single point of configuration for every device in a Cisco Unified Communications Manager cluster.
Answer: A
Explanation:
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/7_1_2/ccmcfg/bccm-712-cm/b02devpl.html
QUESTION 166
Which three options can belong to specific partitions? (Choose three.)
A. voice-mail servers
B. directory numbers
C. translation patterns
D. gateways
E. IP phones
F. route patterns
Answer: BCF
Explanation:
http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/22325-part-css-tn.html
QUESTION 167
A voice engineer is troubleshooting an issue that involves incoming calls to POTS lines. Which command verifies the digits that are received by voice-port?
A. debug voip dial-per
B. debug vtsp session
C. debug vtsp dsp
D. debug call treatment
E. debug voice protocol
Answer: C
QUESTION 168
An engineer is designing a new dial plan for a customer that has offices in several countries on four continents around the world. This client also wants to integrate with a Microsoft Lync backend.
Which dial plan type should the engineer recommend?
A. SIP URI
B. TEHO
C. E.164
D. H.323
Answer: C
QUESTION 169
Refer to the exhibit. An engineer is trying to determine the status of the ISDN D Channel on a new PRI circuit, types in the show isdn status command, and sees this output.
Which two pieces of information can be determined from this output? (Choose two.)
A. The provider is using the 5ESS protocol.
B. There are four channels.
C. The connection to the Cisco Unified Communications Manager has been established.
D. The D channel is working correctly.
E. No active calls are established.
Answer: DE
QUESTION 170
Refer to the exhibit. What is the problem when 237 dials 972551915?
A. The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 9.”
B. The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 5.”
C. The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 2.”
D. The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 8.”
Answer: D
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