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An LTM device pair is configured for failover and connection mirroring. The LTM devices are configured with virtual servers for HTTP, HTTPS with SSL offload, and SSH. An event occurs that causes a failover. HTTP and SSH sessions active at the time of failover remain active, but HTTPS sessions are dropped.

What is the root cause of this problem?

A.
The SSL certificates on the LTM devices do NOT match.
A.
The SSL certificates on the LTM devices do NOT match.
Answers
B.
Connection mirroring is incompatible with clientssl profiles.
B.
Connection mirroring is incompatible with clientssl profiles.
Answers
C.
SNAT automap was NOT enabled for the HTTPS virtual servers.
C.
SNAT automap was NOT enabled for the HTTPS virtual servers.
Answers
D.
Connection mirroring was NOT enabled for the HTTPS virtual servers.
D.
Connection mirroring was NOT enabled for the HTTPS virtual servers.
Answers
Suggested answer: B

-- Exhibit --

-- Exhibit --

Refer to the exhibit.

An LTM Specialist is reviewing the virtual server configuration on an LTM device.

Which two actions should the LTM Specialist perform to minimize the virtual server configuration? (Choose two.)

A.
Remove 'snat automap' from the virtual server.
A.
Remove 'snat automap' from the virtual server.
Answers
B.
Remove the 'http' profile from the virtual server.
B.
Remove the 'http' profile from the virtual server.
Answers
C.
Remove the 'default_class' from the virtual server.
C.
Remove the 'default_class' from the virtual server.
Answers
D.
Combine 'acct_class' and 'marketing_class' into one class and update associations on the virtual server.
D.
Combine 'acct_class' and 'marketing_class' into one class and update associations on the virtual server.
Answers
E.
Combine 'marketing_class' and 'default_class' into one class and update associations on the virtual server.
E.
Combine 'marketing_class' and 'default_class' into one class and update associations on the virtual server.
Answers
Suggested answer: C, D

A OneConnect profile is applied to a virtual server. The LTM Specialist would like the client source IP addresses within the 10.10.10.0/25 range to reuse an existing server side connection.

Which OneConnect profile source mask should the LTM Specialist use?

A.
0.0.0.0
A.
0.0.0.0
Answers
B.
255.255.255.0
B.
255.255.255.0
Answers
C.
255.255.255.128
C.
255.255.255.128
Answers
D.
255.255.255.224
D.
255.255.255.224
Answers
E.
255.255.255.255
E.
255.255.255.255
Answers
Suggested answer: C

An LTM device is load balancing telnet and ssh applications in a client/server environment experiencing significant packet delay.

Which setting in the TCP profile should reduce the amount of packet delay?

A.
disable Bandwidth Delay
A.
disable Bandwidth Delay
Answers
B.
disable Nagle's Algorithm
B.
disable Nagle's Algorithm
Answers
C.
enable Proxy Maximum Segment
C.
enable Proxy Maximum Segment
Answers
D.
increase Maximum Segment Retransmissions
D.
increase Maximum Segment Retransmissions
Answers
Suggested answer: B

An LTM device is load balancing SIP traffic. An LTM Specialist notices that sometimes the SIP request is being load balanced to the same server as the initial connection.

Which setting in the UDP profile will make the LTM device more evenly distribute the SIP traffic?

A.
Enable Datagram LB
A.
Enable Datagram LB
Answers
B.
Disable Datagram LB
B.
Disable Datagram LB
Answers
C.
Set Timeout to Indefinite
C.
Set Timeout to Indefinite
Answers
D.
Set Timeout to Immediate
D.
Set Timeout to Immediate
Answers
Suggested answer: A

Internet clients connecting to a virtual server to download a file are experiencing about 150 ms of latency and no packet loss.

Which built-in client-side TCP profile provides the highest throughput?

A.
tcp
A.
tcp
Answers
B.
tcp-legacy
B.
tcp-legacy
Answers
C.
tcp-lan-optimized
C.
tcp-lan-optimized
Answers
D.
tcp-wan-optimized
D.
tcp-wan-optimized
Answers
Suggested answer: D

Windows PC clients are connecting to a virtual server over a high-speed, low-latency network with no packet loss.

Which built-in client-side TCP profile provides the highest throughput for HTTP downloads?

A.
tcp
A.
tcp
Answers
B.
tcp-legacy
B.
tcp-legacy
Answers
C.
tcp-lan-optimized
C.
tcp-lan-optimized
Answers
D.
tcp-wan-optimized
D.
tcp-wan-optimized
Answers
Suggested answer: C

Users are experiencing low throughput when downloading large files over a high-speed WAN connection. Extensive packet loss was found to be an issue but CANNOT be eliminated.

Which two TCP profile settings should be modified to compensate for the packet loss in the network? (Choose two.)

A.
slow start
A.
slow start
Answers
B.
proxy options
B.
proxy options
Answers
C.
proxy buffer low
C.
proxy buffer low
Answers
D.
proxy buffer high
D.
proxy buffer high
Answers
E.
Nagle's algorithm
E.
Nagle's algorithm
Answers
Suggested answer: C, D

An LTM Specialist is working with an LTM device configured with 10 virtual servers on the same domain with a different key/cert pair per virtual. For examplE. www.example.com; ftp.example.com; ssh.example.com; ftps.example.com.

What should the LTM Specialist do to reduce the number of objects on the LTM device?

A.
create a 0 port virtual server and have it answer for all protocols
A.
create a 0 port virtual server and have it answer for all protocols
Answers
B.
create a 0.0.0.0:0 virtual server thus eliminating all virtual servers
B.
create a 0.0.0.0:0 virtual server thus eliminating all virtual servers
Answers
C.
create a transparent virtual server thus eliminating all virtual servers
C.
create a transparent virtual server thus eliminating all virtual servers
Answers
D.
create a wildcard certificate and use it on all *.example.com virtual servers
D.
create a wildcard certificate and use it on all *.example.com virtual servers
Answers
Suggested answer: D

The pool members are serving up simple static web content.

The current virtual server configuration is given as follows:

tmsh list ltm virtual simple

ltm virtual simple {

destination 10.10.10.10:80

ip-protocol tcp

mask 255.255.255.255

profiles {

http { }

httpcompression { }

oneconnect { }

tcp { }

}

snat automap

vlans-disabled

}

tmsh list ltm pool simple_pool

ltm pool simple_pool {

members {

10.10.10.11:80 {

address 10.10.10.11 }

10.10.10.12:80 {

address 10.10.10.12 }

10.10.10.12:80 {

address 10.10.10.13 }

}

}

Which three objects in the virtual server configuration can be removed without disrupting functionality of the virtual server? (Choose three.)

A.
tcp
A.
tcp
Answers
B.
http
B.
http
Answers
C.
oneconnect
C.
oneconnect
Answers
D.
snat automap
D.
snat automap
Answers
E.
httpcompression
E.
httpcompression
Answers
Suggested answer: B, C, E
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