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SSCA SIP Training Practice Test 1
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Preguntas del test (55)
1What is SIPconnect?
- AA Recommendation for PBX and ITSP interoperability
- BThe State of the SIP Trunk after the first Registration message has been accepted
- CAn RFC for connectivity of SIP Trunks
- DThe name of the SIP Trunk to the ITSP
2RC 4733 supersedes RFC 2833 for DTMF Transport method definition
- AVerdadero
- BFalso
3What is the response code number that indicates a SIP device is RINGING?
- A180
- B200
- C100
- D320
- E200 OK
4With Assured SIP the SIP UA must send all of its SIP messages to its proxy
- AVerdadero
- BFalso
5Which port is the Secure port on a Server supporting HTTPS?
- A43
- B443
- C80
- D83
6What is the format type of a certificate issued by a CA?
- Ax.25
- Bx.500
- Cx.CA-5
- Dx.509
7What device would you need to implement to allow a non-SIP (or IP based) PBX to utilize SIP trunking services from an ITSP
- AMedia Gateway
- BMedia Switch
- CMedia Router
- DMedia NAT
8P.Preferred allows a SIP UA to have the option to suggest which SIP URI should be used when populating the P.Asserted Field
- AVerdadero
- BFalso
9Early Media is required in order prevent voice 'clipping'
- AVerdadero
- BFalso
10Response code 486 indicates a sip device is busy
- AVerdadero
- BFalso
11SIP Call forking in parallel will send SIP invites to all of your registered SIP devices at the same time when someone calls you
- AVerdadero
- BFalso
12What kind of server is required to allow SIP calls to be connected to the PSTN?
- AProxy
- BRouter
- CGateway
- DRegistrar
- EDNS
- FLocation
13What is the SIP method used to end a session? For example: when a person ends a call after a conversation is over
- ABYE
- BPRACK
- CCANCEL
- DACK
14DSCP stands for "Differentiated SIP Code Point"
- AVerdadero
- BFalso
151XSIP Trunk equates to a 1XDSL line to the ITSP
- AVerdadero
- BFalso
16What is the recommended session expires value in seconds from RFC 4028
- A3600
- B180
- C90
- D1800
17TRIP stands for
- ATransmittance of IP
- BTelecom Routing Information Protocol
- CTelephone Reliability over IP
- DTelephone Routing over IP
18Which IETF Group is responsible for work on Instant Messaging and Presence
- ASIPPING
- BBLISS
- CDRINKS
- DSIGTRAN
- ESIMPLE
19What is SIP said to be modeled after?
- AVoiceXML
- BXMPP
- CHTML
- DHTTP
20Which is the value that all branch IDs in the SIP header sent out from a SIP server to begin with?
- A127.0.0.1
- Bz9hG4bk
- Cbid3261
- Dbranch=on
21A 503 response code indicates a bad gateway
- AVerdadero
- BFalso
22What service does an ICE capable SIP UAC start in order to assist called SIP devices get signaling and media back to it? (I swear guys this is how the question is worded on the drill sheet, jkh)
- ALocal STUN service
- BLocal NAT Service
- CLocal TLS Service
- DLocal Media Proxy Service
23Whilst on a voice conversation the ________ method can assist in the setup of Video to complement the conversation
- AUPDATE
- BOPTIONS
- CSUBSCRIBE
- DINFO
24DTMF tones may be lost/corrupted if using the inband method of delivery along with the G.729 codec
- AVerdadero
- BFalso
25Which Fiber technology acronym equates to fiber all the way to your residence
- AFTTT
- BFTTH
- CFTTC
26TLS is used to secure SIP signaling
- AVerdadero
- BFalso
27RTP carries Video across TCP to guarantee delivery
- ATrue
- BFalse
28Which of these will assist a location server build its database of in service SIP devices
- AREGISTRATIONS
- BSUBSCRIPTIONS
- CINVITES
- DLOCATE COMMANDS
- ENAPTR QUERIES
29For a single voice connection RTP and RTCP share the same UDP port number
- AVerdadero
- BFalso
30Which DTMF method when used to carry DTMF tones can Proxies actually see the detail of the SIP message
- AMESSAGE
- BIn-Band
- CSIP INFO
- DRFC 2833
31The default port for Secure SIP signaling using TLS is also 5060
- AVerdadero
- BFalso
323164.arpa is the only ENUM tree available
- AVerdadero
- BFalso
33What SIP method is used to INITIATE a new Conference
- ASUBSCRIBE
- BINITIATE
- CINVITE
- DREFER
- ECONF
34RFC 4474 relates to caller identity
- AVerdadero
- BFalso
35An IP phone may use which DHCP Option in order to register with a SIP server
- A66
- B120
- C132
- D133
36There is no central registry in a Multi lateral VoIP peering arrangement
- AVerdadero
- BFalso
37Layer 2 Classification is something routers will use to prioritize VoIP packets across a WAN link
- AVerdadero
- BFalso
38Which two of the following are protocol suites that allow IP and Presence applications to work
- AOCS
- BCPP
- CSIMPLE
- DXMPP
- EHTML
39Which RFC relates to transporting DTMF tones using SIP
- ARFC 2833
- BRFC 3261
- CRFC 2545
- DRFC 2861
40What is the format of the ENUM query sent to the DNS server for the Telephone Number +441216679182
- A441216679182.e164.arpa
- B281976612144.e164.arpa
- C4.4.1.2.1.6.6.7.9.1.8.2.e164.arpa
- D2.8.1.9.7.6.6.1.2.1.4.4.e164.arpa
41Which transport protocol does not use acknowledgements
- AUDP
- BTCP
42MARTINI is an IETF working group
- AVerdadero
- BFalso
43What element should a SIP proxy inspect to determine whether there is a loop?
- AVIA
- BCall-ID
- CRecord-Route
- DTo
- EFrom
44When using a SIPS address and subsequently requesting a secure session, which protocol combination would be used?
- ATLS/TCP/IP
- BTLS/UDP/IP
- CTLS/IP
45The VIA element of a SIP message can be found in the SDP body
- AVerdadero
- BFalso
46SIP Bridging refers to
- AA call from the PSTN to a SIP Device
- BA Call from a SIP device to the PSTN
- CThe Connection of a call from a H.323 Network to a SIP based network
- DA Call between PSTN devices where the call "crosses" a SIP based network
47Select the main characteristics of a SIP location server
- AIts database is built by receiving updates from the REGISTRAR server
- BIt requires active directory to work
- CIt can utilize external databases such as DNS to help find other SIP devices and users
- DThe LOCATION service usually co-exists on the same server as the REGISTRAR service
48What level registrar will a person contact to register their AOR details
- ATier 1
- BTier 0
- CTier 2
- DThe Root
49Out of band RTP relates to RFC 2833
- AVerdadero
- BFalso
50How many bits can be used with a Layer 3 DSCP
- A8
- B6
- C46
- D5
- E3
51The P asserted identity field is held within the SDP body of an INVITE message
- AVerdadero
- BFalso
52If you call a remote SIP device but no Audio is heard, what is the 'most likely' problem?
- AThe Firewall is blocking RTP traffic
- BThe Codecs are mis-matched
- CYou are connecting to the wrong SIP proxy
- DThe Firewall is blocking SIP Signaling
53Which SIP method initiates the binding of a SIP UA's URI to an AOR?
- AREGISTER
- BNAPTR
- CBIND
- DSUBSCRIBE
- ENOTIFY
54Which IM client uses XMPP
- AX-Lite
- BGoogle Talk
- CSkype
- DSightspeed
55DTMF signalling messages can be carried within a SIP INFO message
- AVerdadero
- BFalso
Información
- Descripción
- Basic SIP Test sobre SSCA SIP Training Practice Test 1, creado por Joshua Hendrickson el 16/08/2016.
- Autor
- Joshua Hendrickson
- Idioma
- English
- Visitas
- 239
- Etiquetas
- Valoración
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