F5 F5 Certifications 101 Questions & Answers

• Question 151:

  An administrator needs to lower .he amount of new TCP connections to help with network congest

  How should the administrator accomplish this?

  A. Use HTTP keep-alive

  B. set a larger receive window

  C. Enable delayed ACKs

  D. use an indefinite timeout

  Correct Answer: A

• Question 152:

  An administrator needs to restore the BIG-IP configuration from a UCS file

  In which section in the BIG IP Configuration utility is this task performed?

  A. System > Archives

  B. System > Services > Backup

  C. System > Backup

  D. System > File Management

  Correct Answer: A

• Question 153:

  An administrator configures secure remote access to a server's shell Given the netstal output, what did the administrator configure?

  

  A. teinetd. allowing connections only from IP address 10 .1. 10.46

  B. sshd. listening on IP address 10. 1. 10.46

  C. sshd. allowing connections only from IP address 10.1. 10. 46

  D. teinetd listening on IP address 10.1. 10. 46

  Correct Answer: B

  Although it appears telnet is configured in this example (!) it is listening on all IP addresses of the system while ssh (port 22) is only on the 10.1.10.46 address.

• Question 154:

  What is used to provide mutual authentication for TLS/SSL?

  A. X 509 Certificate

  B. Access List

  C. Shared Secret key

  D. Mutually Trusted issuer

  Correct Answer: A

• Question 155:

  A BIG IP virtual Server with an IP address of 10.100.43.108 must be available to public internet users. Which technology should be used to achieve this task?

  A. NDP

  B. DNS

  C. NAT

  D. ARP

  Correct Answer: C

  10 x. x. x/8 is an RFC 1918 reserved private IP address. It must be NATted from a publicly accessible IP for access from the internet

• Question 156:

  VLAN test-vlan" is configured on interface 1 1 instead of interface 1.2. Which TMSH command should be used to correct this issue?

  A. modify /net test vlan interfaces {1.2}

  B. modify /net test-vlan interfaces replace all with {1 2}

  C. modify /net vlan test-vlan interfaces replace all with {12}

  D. modify /net sian test-vlan interfaces {1 2}

  Correct Answer: C

• Question 157:

  Which protocol data unit (PDU) is associated with the OSI model Network layer?

  A. Frame

  B. Packet

  C. Segment

  D. Bit

  Correct Answer: B

  https://en.wikipedia.org/wik/Protocol_data-unit

• Question 158:

  A new web server VLAN has been created and the IP address 10.1.1.1/24 has been assigned to the BIG IP device. The BIG IP Administrator needs to create the new Self IP and prevent administrator access to the BIG-IP device from the newly created network.

  Which TMSH command should be used?

  A. create /net self internal address 10 1.1. 1/24 vlan VLAN 10 allow service none.

  B. add 'net self internal address 10.1.1. 1/24 vlan VLAN 10 allow-service none

  C. create /net self internal address 10. 1. 1. 1/24 vlan VLAN 10 allow service default

  D. add /net self internal address 10 111 mask 265. 255. 2550 vlan VLAN 10 allow

  Correct Answer: A

  White the default differs from version to version, H typically allows HTTP SSH and iQuety for BIG-IP to BIG-IP communication

• Question 159:

  What are three functions commonly performed by HTTP cookies? (Choose three)

  A. Track users' browsing activities

  B. hold User preferences

  C. maintain session state

  D. execute client side scripts

  E. execute server side scripts

  Correct Answer: ABC

• Question 160:

  ARP provides translation between which two address types?

  A. IP addresses and hardware addresses

  B. Hardware addresses and VLAN

  C. VLAN and IP addresses

  D. Hostnames and IP addresses

  Correct Answer: A