Oracle 1z0-400 問題集

質問 1：
Which header fields will a User Agent Client (UAC) use to communicate the SIP extensions, or options, it expects the corresponding User Agent Server (UAS) to support?
A. Features:
B. Subject:
C. Require:
D. Capability:
E. Supported:
正解：E

質問 2：
The Net-Net 4500 will release media between non-NATed SIP endpoints that are located in the same realm when the __________ parameter is set to ___________.
A. mm-in-network; disabled
B. msm-network; disabled
C. mm-in-network; enabled
D. mm-in-realm; enabled
E. mm-in-realm; disabled
正解：D

質問 3：
You mape a configuration change to a media interface.
Which command must be executed in order to commit the changes to volatile memory?
A. activate-config
B. commit-config
C. save-config
D. write-config
E. done
正解：A

質問 4：
Which two statements about realms are TRUE?
A. Although you can use both TCP and UDP concurrently as the transport protocol, you can only have one SIP-interface per realm.
B. All endpoints within a realm must reside within the same subnet as the Net-Net 4500.
C. You can associate multiple realms with a single network interface.
D. You can associate multiple network interfaces with a single realm.
E. You must have a minimum of three realms in any configuration, one of which must be designated as the home realm.
正解：D,E

質問 5：
Which statement is TRUE about the phy-interface configuration element?
A. The wancom interfaces used for high availability do not require explicit phy-interface configuration elements.
B. All modifications to the phy-interface configuration element require a reboot of the Net-Net 4500.
C. A phy-interface element must be configured for each interface used for signaling and/or media.
D. Configuration elements used to carry signaling and/or media must be designated as type
"Control".
E. Only one phy-interface configuration element is created for all signaling/media interfaces.
正解：B

質問 6：
Session Initiation Protocol (SIP) is an Application layer control protocol that performs which two functions?
A. Provide network transport services for real-time applications such as voice and video.
B. Establish, modify and terminate multimedia sessions.
C. Support redirection services.
D. Reserve resources for multimedia sessions.
E. Describe the supported media attributes for the session.
正解：A,B
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Which two Net-Net 4500 Realm Bridging models are valid in a SIP environment?
A. Single SIP-NAT Hosted in a Private Network (SSHPN)
B. Single SIP-NAT Homed in an Access Network (SSNHAN)
C. Policy-Based Realm Bridging with Header Manipulation Rules (PBRB-HMR)
D. Multiple SIP-NATs Homed in an Access Network (MSMHAN)
E. Policy-Based SIP-Realm-NAT (PBSRN)
正解：B,C