1Z0-404 Free Practice Test

Which two statements are true about realm bridging in the Session Border Controller? (Choose two.)

1. A. Therealm-config configuration element provides G.711 to G.729 transcoding functions.
2. B. You can configure more than one SIP port per realm.
3. C. You can only configure a single SIP port per realm.
4. D. The ingress realm and egress realm for a specific SIP session can be the same.
5. E. The ingress realm is always different than the egress realm for a specific SIP session.

Correct Answer: BD

Which two functionalities are provided by Session Border Controllers? (Choose two.)

1. A. they span multiple networks and provide edge proxy functions between them
2. B. they are session-aware devices that enable control of end-to-end interactive communications across PSTN network borders
3. C. they enable premium interactive services across IP network borders by complementing existing edge routers
4. D. they provide routingfunctions for IP, TCP, and SMTP using application parameters.
5. E. they replace typical edge routers and firewalls in order to provide a unified network border for signaling and media control

Correct Answer: AC

Your customer would like to allow call attempts only from User Agents(UAs) who have previously registered through the Session Border Controller or who are configured as session agents.
How would you accomplish this?

1. A. Navigate to the sip-port configuration element and set the allow-anonymous parameter to agents-only.
2. B. Navigate to the session-agent configuration element and set the allow-anonymous parameter to prev-registered.
3. C. Navigate to the sip-port configuration element and set the allow-anonymous parameter to realm-prefix.
4. D. Navigate to the sip-port configurationelement and set the allow-anonymous parameter to registered.
5. E. Navigate to the session-agent configuration element and set the allow-anonymous parameter to 403-forbidden.

Correct Answer: D

Which three options are valid ways to apply Header Manipulation Rules (HMRs) to your existing configuration?

1. A. Navigate to the network-interface configuration element and configure the in- manipulationid parameter.
2. B. Navigate to the session-agent configuration element and configure the in-manipulationid parameter.
3. C. Navigate to the sip-interface configuration element and configure the in-manipulationid parameter.
4. D. Navigate to the session-agent configuration element and configure the in-manipulationid parameter.
5. E. Navigate to the session-group configuration element and configure the in-manipulationid parameter.

Correct Answer: ABC

What is thedrawback of configuring Policy-Based Realm Bridging (PBRB) without the assistance of Header Manipulation Rules (HMRs)?

1. A. Topology hiding is incomplete.
2. B. The configuration requires a home realm to be defined, which can make privacy harder to achieve.
3. C. The configuration requires you to enable SIP-NAT bridging, which is complex.
4. D. The architecture is simple, and really designed for lab environments.
5. E. The performance is poor relative to other models.

Correct Answer: C