F5 F5 Certifications 101 Questions & Answers

• Question 81:

  If a workstation is configured with an address of 224 0.0.1 which functionality will it allow?

  A. loopback to itself

  B. broadcasting to the local subnet

  C. multicasting to the local subnet

  D. automatic private IP addressing

  Correct Answer: C

  https://en wikipedia org/wiki/Multicast_address

• Question 82:

  Which two protocol are used for the retrieval of email? (Choose two)

  A. ICAP

  B. SMTP

  C. IMAP

  D. POP3

  E. SNMP

  Correct Answer: CD

• Question 83:

  What are the two primary functions of the OSI 7-layer model? (Choose two)

  A. to group communications into logical layers

  B. to define host-to-host communications

  C. to standardize HTTP communications between different vendors

  D. to go interoperability between products made by different vendors

  E. to define protocol behavior

  Correct Answer: AE

• Question 84:

  A BIG-IP Administrator needs to make sure that requests from a single user are directed to the server that was initially selected (unless that server is marked down). What should the administrator configure?

  A. caching profile

  B. TCP profile

  C. persistence profile

  D. security policy

  Correct Answer: C

• Question 85:

  A user is trying to access a website using the URL https://1.1.1.1/ The website fails to load. The user can access other websites. Given the packet capture above, what is the most likely issue?

  

  A. The remote server is not responding because it is down

  B. The client machine is not 'connected to the internet

  C. The client machine's DNS is configured incorrectly

  D. The remote server is actively rejecting the connection

  Correct Answer: D

• Question 86:

  An administrator configures a default gateway for the host. What is the purpose of a default gateway?

  A. to replace the destination IP address with the default gateway

  B. to pass all traffic to the default gateway

  C. to forward packets to remote networks

  D. to populate the ARP table

  Correct Answer: C

• Question 87:

  An administrator is performing a capture from a lagged port on an Ethernet SWITCH.

  Which OSI layer should be inspected to determine with which VLAN a datagram is associated?

  A. Network layer

  B. Data-link layer

  C. Application layer

  D. Transport layer

  Correct Answer: B

• Question 88:

  A client is transmitting a large amount of data to a server During this process, the server sets the window size to zero

  What is the likely cause of this issue?

  A. The server is unable to accept more data

  B. The server resets the connection

  C. The client runs out of network buffers

  D. The server reaches its maximum segment size

  Correct Answer: A

  htlps://wiki wireshark orgn/TCP%20ZeroWindow

• Question 89:

  in which scenario is a full proxy required?

  A. When a separation between client and server connection .s needed

  B. When administration directly access the servers for administration

  C. when the server sends the response through Iho load balancer

  D. when all TCP client parameters must be seen by the server

  Correct Answer: A

  Reference https //devcentral.f5.com/articles/three-things-your-proxy-cart-do-unless-its-a-full-proxy

• Question 90:

  The HTTP 1.1 standard is being used as part of communication to a server. The client fails to maintain the session within the maximum timeout defined by the server. Which device is responsible for ending the HTTP session?

  A. the load balancer

  B. the server

  C. the default gateway of the load balancer

  D. the client

  Correct Answer: C