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Oracle Communications Session Border Controller 7 Basic Implementation Essentials Questions and Answers

Question 1

You made a configuration change to a media interface.

Which command must be executed to commit the change to volatile (RAM) memory?

Options:

A.

From configuration mode, execute the done command.

B.

From superuser mode, execute the write-config command.

C.

From user mode, execute the save-config command.

D.

From user mode, execute the commit-config command.

E.

From superuser mode, execute the save-config command.

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Question 2

What is used by the standby Session Border Controller to send ARP requests via the media interface in a High Availability (HA) architecture?

Options:

A.

the IP utility address and its virtual MAC address

B.

the virtual IP address and its hardcoded MAC address

C.

the IP utility address and its hardcoded MAC address

D.

the virtual IP address and its virtual MAC address

E.

the IP utility address and the MAC utility address

Question 3

You are troubleshooting a SIP routing issue and you have access to the SIP call flow processed by the Session Border Controller.

Which two steps are valid for troubleshooting this type of issues? (Choose two.)

Options:

A.

It is necessary to locate the SIP session to troubleshoot and check if there is a 404 Routes Not Found SIP error message.

B.

It is recommended to look for 183 Session Progress SIP error messages that indicate routing issues.

C.

It is recommended to check the called number by looking at the Request-URI of the INVITE message and making sure it is a valid number to be routed.

D.

It is recommended to find the CANCEL method received by the Session Border Controller which typically identifies a SIP routing issue.

E.

It is necessary to find an initial INVITE received by the Session Border Controller which gets a 503 Service Unavailable SIP error message.

Question 4

You are configuring access rules in a Session Border Controller Peering architecture.

Which two configuration steps are required to allow access only from User Agents (UAs) configured as session agents? (Choose two.)

Options:

A.

Navigate to the sip-port configuration element and set the allow-anonymous parameter to all.

B.

Navigate to the session-agent configuration element and set the ip-address parameter to the IP subnet of your trusted User Agent (UA).

C.

Navigate to the realm-config configuration element and set the addr-prefix parameter to the IP subnet of your trusted User Agent (UA).

D.

Navigate to the sip-port configuration element and set the allow-anonymous parameter to agents-only.

E.

Navigate to the sip-port configuration element and set the allow-anonymous parameter to address-prefix.

Question 5

What configuration step is required for booting the Session Border Controller from an external FTP server?

Options:

A.

Navigate to the bootparams configuration branch and set the host inet field to the IP address of the external BOOTP Server from which the Session Border Controller can boot.

B.

Navigate to the system configuration branch and set the ip address field of the wancom1 management interface.

C.

Navigate to the bootparams configuration branch and set the ip address field of the destination SIP device with which the Session Border Controller needs to interact.

D.

Navigate to the system configuration branch and set the ip address field of the wancom0 management interface.

E.

Navigate to the bootparams configuration branch, set the host inet or Host IP, FTP username, and FTP password for the external FTP Server in which the image file resides.

Question 6

Which node automatically assumes the active role when peers boot simultaneously and their health scores are equivalent in a High Availability (HA) scenario?

Options:

A.

the node with the highest wancom IP address

B.

the node that is configured as secondary

C.

the node that had the role of active last

D.

the node with the lowest wancom IP address

E.

the node with the highest round-robin score

Question 7

Which SIP headers in an incoming SIP message to the Session Border Controller are used by a local-policy configuration element for routing?

Options:

A.

From and To headers

B.

From header and Request-URI

C.

Call-Id header

D.

Contact header

E.

Via and To headers.

Question 8

You are associating network-interface configuration elements with a physical-interface configuration element on the Session Border Controller.

Which parameter must contain the same unique ID in these two configuration elements?

Options:

A.

port-id

B.

identifier

C.

unique-id

D.

name

E.

sub-port-id

Question 9

How does the SIP registrar server maintain the registered user’s information in its database?

Options:

A.

by querying a DNS server

B.

by querying an ENUM server

C.

by creating a registration cache entry, which is an association between a layer 3 IP address and the User Agent (UA) Via address

D.

by creating a location record, which is an association between the Call-ID and the User Agent (UA) Contact address

E.

by creating a binding, which is an association between a globally unique SIP URI and the User Agent (UA) Contact address

Question 10

Which statement is true when SNMP access is enabled to the Session Border Controller?

Options:

A.

The default community strings are acme and packet.

B.

The default community strings are public and private.

C.

Community strings are in passive mode.

D.

There are no default community strings.

E.

Only one trap receiver can be configured.

Exam Detail
Vendor: Oracle
Certification: Session Border Control
Exam Code: 1z0-404
Exam Name: Oracle Communications Session Border Controller 7 Basic Implementation Essentials
Last Update: Dec 26, 2024
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