How Many Questions Of 1Z0-404 Exam Engine

NEW QUESTION 1
Which two statements describe the functions of Session Border Controllers? (Choose two.)

• A. they replace typical edge routers and firewalls in order to provide a unified network border forsignaling and media control
• B. they are session-aware devices that enable control of end-to-end interactive communications across IP network borders
• C. they are based on the Windows operating system
• D. they provide routing functions for IP, TCP, and SMTPusing application parameters
• E. they provide signaling proxy functions for SIP, H.323, and MGCP, which includes access control, signaling constraints, and topology hiding

Answer: AE

NEW QUESTION 2
You were working with the Session Border Controller in configuration mode and you forgot toclose your session. Your colleague who connected after you left says that he cannot enter into configuration mode.
Why is your colleague not able to configure the Session Border Controller?

• A. The Session Border Controller does not allow more than one configuration session within 24 hours.
• B. The Session Border Controller does not support Telnet/SSH timeouts.
• C. The Session Border Controller supports only one simultaneous configuration session, and the Telnet/SSH timeouts are set to 0.
• D. The Session Border Controller supports only 10 simultaneous configuration sessions.
• E. The Session Border Controller supports only five simultaneous Telnet/SSH sessions.

Answer: C

NEW QUESTION 3
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 4
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 5
You are configuring a network interface to enable the Session Border Controller to use the interface for signaling and media.
Identify two valid configuration steps for supporting VLAN 12 (Choose two.)

• A. Navigate to the network-interface configuration element and set the sub-port-id parameter to 12.
• B. Navigate to the network-interface configuration element and set the sub-port-idparameter to 0.
• C. Navigate to the phy-interface configuration element and configure the hip-id parameter.
• D. Navigate to the phy-interface configuration element and configure the pri-utility-address parameter.
• E. Navigate to the network-interface configuration element and configure the name parameter.

Answer: AC

NEW QUESTION 6
How does the SIP registrar server maintain the registered user’s information in its database?

• 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 IPaddress 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

Answer: D

NEW QUESTION 7
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

NEW QUESTION 8
What is used by the standby Session Border Controller to send ARP requests via the media interface in a High Availability (HA) architecture?

• 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 andthe MAC utility address

Answer: C

NEW QUESTION 9
When provisioning the redundancy-configuration, the peer name for each of the peers in a High Availability configuration must also be defined in each system’s ______.

• A. hostname parameter under the sip-configconfiguration element
• B. hostname parameter under the account-config configuration element
• C. hostname parameter under the bootparam configuration branch
• D. target name parameter under the bootparam configuration branch
• E. hostname parameter under the system-config configuration element

Answer: E

NEW QUESTION 10
Examine the output below from the show sipd invite command:

How many 600 Busy Everywhere messages sent by the Session Border Controller in the last 140 seconds did not originate from a downstreamdevice?

• A. 157
• B. 13
• C. 4
• D. 161

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
From which Session Border Controller node in a high availability (HA) pair, could a network administrator trigger a system switchover manually by issuing the notify berpd force command?

• A. Secondary only
• B. Active node that no longer has a heartbeat
• C. Standby only
• D. Active only
• E. Standby orActive

Answer: D

NEW QUESTION 13
The Session Border Controller is not routing calls to a specific SIP endpoint from the backbone realm to the access realm in an Access-Backbone architecture.
How can you troubleshoot this routing issue?

• A. by running the notify berpd force command
• B. by running the show sipd endpoint-ip <phone number> command
• C. by checking the sip-manipulation configuration element used for routing from the backbone realm to the access realm
• D. by checking the registration-cache configuration element used for routing from the access realm to the backbone realm
• E. by checking the local-policy configuration element used for routing from the access realm to the backbone realm

Answer: D

NEW QUESTION 14
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) in a specific IP subnet? (Choose two.)

• A. Navigate to the sip-port configuration element and set the allow-anonymous parameter to realm-prefix.
• B. Navigate to the session-agent configuration element and set the ip-address parameter to the IP address of your trusted User Agent (UA).
• C. Navigate to the sip-port configuration element and set the allow-anonymous parameter to agents-only.
• D. Navigate to the sip-port configuration element and set the allow-anonymous parameter to all.
• E. Navigate to therealm-config configuration element and set the addr-prefix parameter to the IP subnet of your trusted User Agents (UAs).

Answer: BC

NEW QUESTION 15
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 16
You are configuring the boot parameters in the Session Border Controller. Which three statements are true about the boot parameters? (Choose three.)

• A. A reboot is always required to apply any change to the boot parameters.
• B. The target name is usedfor domain name resolution.
• C. The system clock is a boot parameter.
• D. The boot parameters are stored in Non-Volatile Random Access Memory (NVRAM).
• E. The boot parameters are not affected by the activate-config command.

Answer: ACD

NEW QUESTION 17
To return the Session Border Controller configuration to a known, factory default state, you must ____.

• A. press the reset button on the front panel
• B. issue the delete-configcommand
• C. issue the set-system-state offline command
• D. issue the set-system-state offline
• E. issue the delete-config and reboot commands

Answer: E

NEW QUESTION 18
What should you do to enable physical interface redundancy?

• A. Navigate to the system-config configuration element and set the phy-redundancy parameter to enabled.
• B. Navigate to the network-interface configuration element and set thephy-redundancy parameter to enabled.
• C. Navigate to the network-interface configuration element and set the link-redundancy- state parameter to enabled.
• D. Navigate to the system-config configuration element and set the link-redundancy-state parameter toenabled.
• E. Run the superuser command enable phy-redundancy.

Answer: C

NEW QUESTION 19
You used the no command to delete a configuration element. Whichstatement is true?

• A. The deletion is lost on immediate reboot.
• B. The deletion is reflected when viewing the running configuration.
• C. The deletion takes effect immediately in the saved configuration.
• D. The deletion always requires a reboot to take effect.
• E. The deletion requires auto-save enabled.

Answer: A

NEW QUESTION 20
Which SIP headers in an incoming SIP message to the Session Border Controller are used by a local-policy configuration element for routing?

• A. From and To headers
• B. From header and Request-URI
• C. Call-Id header
• D. Contact header
• E. Via and To headers.

Answer: D

NEW QUESTION 21
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