Certified 1Z0-404 Study Guides 2021

NEW QUESTION 1
What is the effect of executing the save-config command in superuser mode?

• A. The running configuration version is reset to 1.
• B. The running configuration version does not increase and is equal to thesaved configuration version.
• C. The saved configuration version increases by 1 and is higher than the running configuration version.
• D. The running configuration version increases by 1 and is higher than the saved configuration version.
• E. The editing configuration version increases by 1 and is higher than the saved configuration version.

Answer: C

NEW QUESTION 2
What configuration step is required for booting the SessionBorder Controller from an external FTP server?

• 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.

Answer: C

NEW QUESTION 3
CORRECT TEXT
Which statement is true about the Host In Path (HIP) feature In the Session Border Controller?

• A. By default, theSession Border Controller's FTP, ICMP, SNMP, and Telnet services cannot be accessed via the management interfaces.
• B. To enable these services (FTP ICMP, SNMP, and Telnet services), the enable host-in-path command must be executed from the superuser mode.
• C. To enable these services, the Session Border Controller includes a software license that enables administrative traffic over the media interfaces.
• D. By default, the Session Border Controller's FTP, ICMP, SNMP, and Telnet services cannot be accessed viathe media interfaces.
• E. These four fields (FTP, ICMP, SNMP, and Telnet services) are collectively known as the Host Interface Priority.

Answer: A

Explanation: Reference https://docs.oracle.com/cd/E52358_01/doc/sbc_scx620_acliconfiguration.pdf

NEW QUESTION 4
Which three options are valid ways to apply Header Manipulation Rules (HMRs) to your existing configuration?

• A. Navigate to the network-interface configuration element and configure the in- manipulationid parameter.
• B. Navigate to the session-agent configuration element and configure the in-manipulationid parameter.
• C. Navigate to the sip-interface configuration element and configure the in-manipulationid parameter.
• D. Navigate to the session-agent configuration element and configure the in-manipulationid parameter.
• E. Navigate to the session-group configuration element and configure the in-manipulationid parameter.

Answer: ABC

NEW QUESTION 5
What two problems do Network Address Translations (NATs)introduce into VoIP networks? (Choose two.)

• A. There are no major concerns with NATs.
• B. NATs block unsolicited incoming signaling and media.
• C. NATs block unsolicited incoming signaling but allow incoming media.
• D. NATs pinholes expire after aconfigurable time.
• E. NATs devices can be overloaded by incoming registrations.

Answer: DE

NEW QUESTION 6
You are configuring a sip-interface configuration element. You encounter the error message: Error 409 saving configuration SipInterface.
Identify the cause of the error.

• A. You are creating a sip-port element with the same address parameter value of another sip-port.
• B. You are creating a sip-port element with the same port parameter value of another sip- port.
• C. You are creating a sip-port element with the same transport-protocol parameter value of another sip-port.
• D. You are creating a sip-interface element with the same realm-id parameter value of another sip-interface.
• E. You are creating a sip-interface element with a different realm-id parameter value of another sip-interface.

Answer: B

NEW QUESTION 7
Upon issuing the done command, you getan Error 409.
Which two options explain this error? (Choose two.)

• A. You are trying to create an element with a unique identifier that already exists.
• B. The configuration element you are creating is corrupted.
• C. The element you are trying to save doesnot exist.
• D. There is an internal server error.
• E. You are trying to create a second instance of a single-instance configuration element.

Answer: AE

NEW QUESTION 8
You are logged in to the Session Border Controller a superuser. You want to remove other user from the system.
How do you accomplish this?

• A. from the superuser mode, by executing the remove user <index number> command
• B. from the user mode, by executing the kill <index number> command
• C. from the superuser mode, by executing the remove user <username> command
• D. from the superuser mode, by executing the kill <index number> command
• E. from the user mode, by executing the remove user <index number> command

Answer: C

NEW QUESTION 9
Which two statements are true about realm bridging in the Session Border Controller? (Choose two.)

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

Answer: BD

NEW QUESTION 10
The Session Border Controller needs to be configured to act as a Back-to-Back User Agent (B2BUA).
How would you accomplish this?

• A. Navigate to the sip-config configuration element and set the operation-mode to stateless.
• B. Navigate to the sip-configconfiguration element and set the operation-mode to dialog.
• C. Navigate to the sip-config configuration element and set the operation-mode to stateful.
• D. Navigate to the session-router configuration element and set the operation-mode to dialog.
• E. Navigate to the session-router configuration element and set the operation-mode to none.

Answer: B

NEW QUESTION 11
Which two statements are true about dynamic realm bridging? (Choose two.)

• A. Egressrealm can be any, depending on time-of-day, called number, and so on.
• B. Dynamic realm bridging is the routing of a signaling message coming from a given ingress realm to a next hop in an egress realm.
• C. Dynamic realm bridging is a one-to-one associationaccomplished by using SIP-NAT.
• D. Ingress and egress realms are unconditionally paired.
• E. Dynamic realm bridging decisions are based solely on layer 3 (IP) information.

Answer: AB

NEW QUESTION 12
What is thedrawback of configuring Policy-Based Realm Bridging (PBRB) without the assistance of Header Manipulation Rules (HMRs)?

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

Answer: C

NEW QUESTION 13
Which statement is true when SNMP access is enabled to the Session Border Controller?

• A. The default community strings are acme and packet.
• B. The default community stringsare 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.

Answer: B

NEW QUESTION 14
How doesthe Session Border Controller ensure that a pinhole is kept open for persistent communication to a SIP endpoint behind a NAT device?

• A. by changing the expires= parameter to a defined value in 200 OK responses to REGISTERs
• B. by changing the expires= parameter to a defined value in 200 OK responses to INVITEs
• C. by issuing PINGs to the endpoint's NAT address
• D. by sending Address Resolution Protocol (ARP) requests at a defined frequency
• E. by sending messages at a defined frequency

Answer: D

NEW QUESTION 15
You are adding peers to a Policy-Based Realm Bridging (PBRB) configuration. Which two configuration steps, among others, are required? (Choose two.)

• A. Navigate to the media-manager configuration branch and configure the realm-config configuration element.
• B. Navigate to the session-router configuration branch and configure the sipd-address configuration element.
• C. Navigate to the session-router configuration branch and configure the local-policy configuration element.
• D. Navigate to the session-router configuration branch and configure the sip-nat configuration element.
• E. Navigate to the media-manager configuration branch and configure the access-control configuration element.

Answer: AE

NEW QUESTION 16
View the Exhibit.

Which statement is true about this output of the show health command?

• A. The two nodes have different health scores.
• B. The training1 peer is the standby node.
• C. The switchover berpd force commandwas executed to do a manual failover.
• D. The training6 peer is the active node.
• E. The training6 peer will wait 1050 ms before considering the training1 peer out of service.

Answer: E