1Z0-400 Exam Questions
72 real 1Z0-400 exam questions with expert-verified answers and explanations. Page 1 of 2.
- Question #1
On a Net-Net 4500, a hardware-based timer will reset the system in the event of a catastrophic software or operating system failure. This hardware timer is reset (preventing it fro...
- Question #2
Which two are TRUE regarding the Net-Net 3820 and Net-Net 4500 Fan Module component?
- Question #3
To view an existing multiple-instance element's configuration you can go to the correct branch of the configuration tree and___________.
- Question #4
Which two parameters are NOT phy-interface parameters?
- Question #5
Which statements are TRUE about a Net-Net 4500 SIP interface?
- Question #7
Which statement is FALSE about the sub-port-id field within a network-interface configuration?
- Question #8
__________is the percentage of a Session Border Controller's peer advertisement time for the other peer in the high availability (HA) pair to wait before considering the peer out o...
- Question #9
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 ___________.
- Question #10
The h245-stage parameter in the h323-stack element determines___________.
- Question #11
Which two parameters MUST be specified when configuring a local policy for SIP peering?
- Question #12
You are working with a Net-Net 4500 Session Border Controller.What will result from the execution of the delete-configuration command?
- Question #13
How does the Session Border Controller ensure that a pinhole is kept open for persistent communication to a SIP endpoint behind a NAT device?
- Question #14
You configured local policy preferences on the Net-Net 4500.The Net-Net 4500 sorts through these preferences. Which preference is ranked the second highest priority?
- Question #15
Which two signaling services are supported on the Net-Net 4500?
- Question #16
When SNMP access is enabled to the Session Border Controller, which statement is TRUE?
- Question #17
Your Net-Net 4500 is configured as the source and destination for all signaling messages and media streams coming into and leaving the provider's network. Which two SIP functions d...
- Question #18
What two bits of information may a SIP message contain?
- Question #19
Which statement about configuration versioning is TRUE?
- Question #20
You are examining a SIP packet. The only SIP method defined in IETF RFC documents that never receives a final response is:
- Question #21
According to the Acme Packet Best Current Practice (BCP), when configuring High Availability on a Session Border Controller pair, what two critical steps must be completed?
- Question #22
Which two alarm reporting mechanisms are available to provide fault information for your Session Border Controller in a VOIP network?
- Question #23
Which two base capabilities best describe the Session Border Controller High Availability (HA) architecture?
- Question #24
Which two statements regarding SIP processing are TRUE?
- Question #26
What does the host inet in the boot parameters of the Session Border Controller refer to?
- Question #27
Which statement about the Net-Net 4500 is FALSE?
- Question #28
RRQ, ARQ, DRQ, and IRR are all examples of ________ signaling messages.
- Question #29
Which is NOT part of the Net-Net 4500's front panel:
- Question #30
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?
- Question #31
Which option tag is used for reliability of provisional responses in SIP messages?
- Question #32
What two options are available to enable access control in a SIP configuration and how would they be configured?
- Question #33
How many VLANs per physical interface are supported on a Session Border Controller?
- Question #34
Which two statements about realms are TRUE?
- Question #35
Which statement about passwords on the Net-Net 4500 is FALSE?
- Question #37
The ___________ field allows you to set the health score at whichthe standby peer in a high availability (HA) scenario will switchover to the active state without waiting for any c...
- Question #38
When configuring the Net-Net 4500, __________ SIP interface(s) is/are allowed per realm, and __________ SIP port (s) is/are allowed for a SIP interface.
- Question #39
To return the Session Border Controller configuration to a known, factory default state you must___________.
- Question #40
Which two Net-Net 4500 Realm Bridging models are valid in a SIP environment?
- Question #41
With a default configuration, how long is the grace period before the Session Border Controller deletes an expired registration entry from the cache?
- Question #42
You have copied a new Net-Net 4000 Operating System to the Net-Net 4000 Session Border Controller and changed the boot parameters according to the display below. On reboot, the Net...
- Question #43
Which two parameters MUST be specified when configuring a local policy for SIP Peering?
- Question #44
Which two statements about the Session Initiation Protocol (SIP) are TRUE?
- Question #46
In high availability (HA) architectures, requests from the standby node result in information about state changes being pulled by the standby Session Border Controller (SBC) from t...
- Question #47
In a high availability (HA) pair, a network administrator could trigger a system switchover manually from the ___________Session Border Controller by issuing the notify berpd force...
- Question #48
In a peering environment based on SIP-NAT Bridge, which two elements must be configured to accommodate signaling and media?
- Question #49
Upon issuing the done command, you get an Error 409. What does this error indicate?
- Question #50
A session agent group (SAG) allows for the creation of a logical grouping of session agents. Which two options are valid for the "strategy" parameter in the session-group to route...
- Question #51
Which SIP header does the Session Border Controller check when looking for a match to the "to- address" in the local-policy?
- Question #52
When working in the Session Border Controller's OS environment, which is FALSE?
- Question #53
High availability (HA) nodes identify one another by their ____________ names.
- Question #54
You must decide whether to deploy the policy based realm bridging with header manipulation rules (PBRB-HMR) model in your SIP peering environment. What are two deciding factors tha...