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 BIG-IP Administrator makes a configuration change to a Virtual Server on the Standby device of an HA pair. The HA pair is currently configured with Auto-Sync Enabled. What effect will the change have on the HA pair configuration?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
How should the LTM Specialist minimize the configuration?
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.)
TWO BIG-IP appliances need to be configured to load balance multiple firewall in a firewall sandwich,
Which health monitor setting should be used to verify that the firewalls are able to forward traffic?
An unwanted IP addresstries to connect to the configuration utility via Self IP An LTM Specialist needs to block the attempts based on the IP address.
How should the ITM Specialist block the attempts without affecting other users?
The BIG-IP Administrator needs to perform a BIG-IP device upgrade to the latest version of TMOS. Where can the administrator obtain F5 documentation on upgrade requirements?
A BIG-IP Administrator wants to add a new Self IP to the BIG-IP device. Which item should be assigned to the new Self IP being configured?
A web application is meant to log the URI of the resource that responded to the client's initial Request-URI.
Which HTTP header will supply this information?
To increase available bandwidth of an existing Trunk, the BIG-IP Administrator is adding additional
interfaces.
Which command should the BIG-IP Administrator run from within bosh shell?
The BIG-IP Administrator disable all pool members in a pool Users are still able to reach the pool
members.
What is allowing users to continue to reach the disabled poo! members?
An application is configured on an LTM device:
Virtual server: 10.0.0.1:80 (VLAN vlan301)
SNAT IP: 10.0.0.1
Pool members: 10.0.1.1:8080, 10.0.1.2:8080, 10.0.1.3:8080 (VLAN vlan302)
Which packet capture should the LTM Specialist perform on the LTM device command line interface to capture only server traffic specifically for this application?
The BIG-IP Administrator needs to ensure the correct health monitor is being used lor a new HTTP pool
named P_example.
Where should the BIG-IP Administrator validate these settings in the Configuration Utility?
An LTM Specialist uploaded new releases .iso and .md5 files titled "BIGIP-FILENAME" via the GUI.
Which commands are run via the command line from the root directory to verify the integrity of the new .iso file?
An LTM Specialist notices the following error on the stdout console:
mcpd[2395]: 01070608:0: License is not operational(expired or digital signature does not match contents)
Which command should be executed to verify the LTM device license?
The BIG-IP Administrator configures an HTTP monitor with a specific receive string. The status is marked
'down'.
Which tool should the administrator use to identify the problem?
A BIG-IP Administrator upgrades the BIG-IP LTM to a newer software version. After the administrator reboots into the new volume, the Configuration fails to load. Why is the Configuration failing to load?
An LTM Specialist needs to assign a health monitor to a pool with two pool members 10.10.10 101 and 10.10.10.102 Both pool members are listening on port 8080 with TCP. The health of the application depends on the health of an another server(10 10 10 100) that runs port 9080 with TCP.
Which two custom TCP monitors should be selected as the pool's health monitors' (Choose two)
Refer to the exhibit.
A user attempts to connect to 10.10.10.1.80 using FTP over SSL with an FTPS client. Which virtual server will match and attempt to process the request?
A custom HTTP monitor is failing to a pool member 10.10.3.75:8080 that serves up
A ping works to the pool member address.
The SEND string that the monitor is using is:
Close/r/n/r/n
Which CLI tool syntax will show that the web server returns the correct HTTP response?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
A pair of LTM devices are deployed in a high-availability (HA) pair as the diagram shows. After inserting a new rule on the firewalls, the LTM devices become Standby. The rule drops all outbound sessions to the Internet. Only inbound connections are allowed from the Internet. There are no other changes to the environment.
What triggered the LTM device failover?
An LTM device configured with a management IP address and route and a series of self-IPs and TMM routes.Both management and TMM have a routing entry for 101 10/24 Application traffic is being load balanced and sent to pool member 10.1.1.123 with SNAT Automap and configured.
Which route will the LTM device use?
A 8IG-IP Administrator configures a node with a standard icmp Health Monitor. The Node shows as DOWN although the Backend Server is configured to answer ICMP requests. Which step should the administrator take next to find the root cause of this issue?
Which three HTTP headers allow an application server to determine the client's language compatibility, browser, operating system type, and compression compatibility? (Choose three.)
Refer to the exhibit.
A pool member fails the monitor checks for about 30 minutes and then starts passing the monitor
checks. New traffic is Not being sent to the pool member.
What is the likely reason for this problem?
Refer to the exhibit
The network team creates a new VLAN on the switches. The BIG-IP Administrator needs to create a
configuration on the BIG-IP device. The BIG-IP Administrator creates a new VLAN and Self IP, but the
servers on the new VLAN are NOT reachable from the BIG-IP device.
Which action should the BIG-IP Administrators to resolve this issue?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
An LTM device has been configured for load balancing a number of different application servers. Configuration changes need to be made to the LTM device to allow administrative management of the servers in 172.16.10/24, 172.16.20/24, and 172.16.30/24 networks. The servers require outbound access to numerous destinations for operations.
Which solution has the simplest configuration changes while maintaining functionality and basic security?
A web server's default gateway is the network router. The LTM Specialist needs to introduce an LTM device to load balance to the web servers without changing the server's default gateway.
Which deployment method and settings should the LTM Specialist use to ensure correct traffic flow and that the web servers can obtain the actual con IP addresses?
A BIG-IP Administrator needs to collect HTTP status code and HTTP method for traffic flowing through a
virtual server.
Which default profile provides this information?
The LTM Specialist is in the process of creating a USB boot drive for the purpose of restoring the BIG-IP software to an LTM device. A separate LTM device has been selected for the purpose of creating the USB boot drive. The BIG-IP software ISO has already been uploaded and mounted on the separate LTM device.
Which command should the LTM Specialist use to trigger the LTM device to install the BIG-IP software to the USB boot drive?
A customer wants to select the pool for an application based on information found in the path ofthe URL.
For example:
1 should be sent to the app 1 pool
2 should be sent to the app2 pool
Which two profiles need to be assigned to the virtual server? (Choose two.)
An LTM Specialist needs to rewrite text within an HTML response from a web server. A client is sending the following HTTP request:
GET / HTTP/1.1
Host:
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20100101 Firefox/16.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-LanguagE. en-US,en;q=0.5
Accept-EncodinG. gzip, deflate
Cache-Control: no-cache
Connection: keep-alive
CookiE. somecookie=1
HTTP/1.1 200 OK
Server: Apache/2.2.15 (Unix)
Last-ModifieD. Wed, 12 Aug 2009 00:00:30 GMT
Accept-Ranges: bytes
Content-LengtH. 1063
X-Cnection: close
Content-TypE. text/html; charset=UTF-8
Vary: Accept-Encoding
Content-EncodinG. gzip
Connection: Keep-Alive
Although a stream profile has been added to the virtual server, the content within the HTTP response is NOT being matched and therefore NOT modified.
Which header field is contributing to the issue?
An LTM Specialist plans to enable connection mirroring for a virtualserver in an HA environment.
What must the LTM Specialist consider before implementing the configuration change?
The network team introduces a new subnet 10.10.22.0/24 to the network. The route needs to be configured on the F5 device to access this network via the 30.30.30.158 gateway.
How should the LTM Specialist configure thisroute?
A new VLAN vlan301 has been configured on a highly available LTM device in partition ApplicationA. A new directly connected backend server has been placed on vlan301. However, there are connectivity issues pinging the default gateway. The VLAN self IPs configured on the LTM devices are 192.168.0.251 and 192.168.0.252 with floating IP 192.168.0.253. The LTM Specialist needs to perform a packet capture to assist with troubleshooting the connectivity.
Which command should the LTM Specialist execute on the LTM device command line interface to capture the attempted pings to the LTM device default gateway on VLAN vlan301?
What is the correct command to reset an LTM device to its default settings?
An LTM Specialist needs to loadbalance an application using an LTM device to meet the requirements:
The application servers do NOT Support SSL, but client access to the application should be secured.
Multiple requests from the same client should be sent to the same pool member.
All pool members will have roughly the same processing power, and traffic should be distributed evenly.
The LTM device is NOT the pool members' default gateway.
which configuration should the LTM Specialist.
Which Virtual Server type prevents the use of a default pool?
A BIG-IP Administrator suspects that one of the BIG-IP device power supplies is experiencing power
outages.
Which log file should the BIG-IP Administrator check to verify the suspicion?
Remote users who access the LTM device are authenticated via Radius. The default remote user role is Guest Some users need LTM device with the Administrator role. The F5 Radius attributes are configure on the Radius server.
Which configuration item needs to be created?
AN LTM Specialist receives reports that an external company application is having reliability issues. The F5 Administrator finds the following in /vat/log/ltm file.
The LTM Specialist determines that the F5 LTMdevice is entering into Aggressive Mode Adaptive Reaping, which is causing the site reliability issues.
What is the most likely reason that the LTM device has entered into Aggressive Mode Adaptive Reaping?
Which iRule will instruct the client's browser to avoid caching HTML server responses?
Refer to the exhibit.
The http monitor is applied to a pool All members are enabled One pool member stops responding TCP port 80. The server still responds to ping.
What is the resulting status ofthis pool member?
Given the log entry:
011f0005:3: HTTP header (32800) exceeded maximum allowed size of 32768 (Client sidE. vip=/Common/VS_web profile=http pool=/Common/POOL_web client_ip=10.0.0.1)
Which HTTP profile setting can be modified temporarily to resolve the issue?
An LTM Specialist has installed a hotfix that updated the SCCP firmware package.
Which command will ensure that the host subsystem and SCCP reboot?
Refer to the exhibit.
How long will the persistence record remain in the table?
A BIG-IP Administrator applied the latest hotfix to an inactive boot location by mistake, and needs to downgrade back to the previous hotfix.
What should the BIG-IP Administrator do to change the boot location to the previous hotfix?
Which iRule statement demotes a virtual server from CMP?
An LTM Specialist must perform a hot fix installation from the command line.
What is the correct procedure to ensure that the installation is successful?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
Users are able to access the application when connecting directly to the web server but are unsuccessful when connecting to the virtual server.
What is the cause of the application access problem?
An organization’s development team creates an application to put behind the F5LTM device. The application can be quite load intensive at first, and then evens out over time. The team’s load balancing method needs to select a pool after taking into account the pool member’s response over the time to avoid landing on a busy pool member.
Which of the following load balancing methods meets this requirement?
Four members in a server pool have similar hardware platforms. An LTM Specialist needs the load balancing method that canselect the server with the fewest entries in the persistence table.
Which load balancing method should the LTM Specialist use?
An application is configured on an LTM device:
Virtual server: 10.0.0.1:80 (VLAN vlan301)
SNAT IP: 10.0.0.1
Pool members: 10.0.1.1:8080, 10.0.1.2:8080, 10.0.1.3:8080 (VLAN vlan302)
Which packet capture should the LTM Specialist perform on the LTM device command line interface to capture only client traffic specifically for this virtual server?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
A web application is configured to allow sessions to continue even after a user computer is shut down for the night. A new LTM device is configured to load balance the web application to several servers. The application owner reports that application users are logged out of the web application whenever their browser is restarted or computer is rebooted.
What is the problem?
An LTM Specialist is investigating reports from users that SSH connections are being terminated unexpectedly. SSH connections are load balanced through a virtual server. The users experiencing this problem are running SQL queries that take upwards of 15 minutes to return with no screen output. The virtual server is standard with a pool associated and no other customizations.
What is causing the SSH connections to terminate?
An IT support engineer needs to access and modify Virtual Servers in three partitions (Common /Banking and Dev) daily on a BIG-IP device. The company operates a Least Privilege access policy. What level of access does the IT support engineer need to ensure completion of daily roles?
The BIG-IP Administrator needs to perform a BIG-IP device upgrade to the latest version of TMOS. Where can the administrator obtain F5 documentation on upgrade requirements?
An SSL application is being migrated to the LTM device. Both encrypted and unencrypted traffic are accepted by the server. The virtual server configuration is as follows:
Which LTM device profile should be used on the LTM device to reduce the CPU load on the current.
The output of a tmsh command is: ------------------------------------------------------------ Net::Interface Name Status Bits Bits Errs Errs Drops Drops Colli In Out In Out In Out sions ------------------------------------------------------------ 1.1 down 0 0 0 0 0 0 0 1.2 up 191.4K 0 0 0 374 0 0 1.3 down 0 0 0 0 0 0 0 1.4 up 22.5K 0 0 0 44 0 0 2.1 miss 0 0 0 0 0 0 0 2.2 miss 0 0 0 0 0 0 0 mgmt up 43.2G 160.0G 0 0 0 0 0
Which command was executed on the LTM device to show the output?
An LTM Specialist is experiencing issues in a failover event. Certain long-lasting FTP event. Certain long-lasting FTP connections using a single node pool are forced to reconnect. The bigip.conf extract isshown:
What does the LTM Specialist need to change in the configuration to avoid this issue?
An LTM Specialist is configuring a client profile to offload processing a new application Company policy requires that clients can resume session for up to 30 minutes, but must renegotiate a new session after that.
Which setting should the LTM Specialist change to satisfy this requirement?
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?
An LTM Specialist needs to terminate client SSL traffic and based on the cookie presented by client.
Which set of profiles should the LTM Specialist use?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
An LTM Specialist configures a virtual server to perform client-side encryption while allowing the server-side traffic to be unencrypted. Application owners report that images are failing to load through the virtual server; however, images load when going directly to the server.
What is the problem with the images loading through the virtual server?
A BIG-IP Administrator defines a device Self IP . The Self IP is NOT reachable from the network. What should the BIG-IP Administrator verify first?
The picture belongs to static content, you can configure static content cache in FS to meet this demand
An LTM Specialist must configure session persistence for a highly available, highly utilized web-based application.
* The following requirements are provided:
* http proxy setup for security
persistence information available to the HA peer in case of failover
The LTM Specialist needs to minimize additional burden on the LTM device to the greatest extent possible.
Which persistence profile should be used?
A device group is made up of four members: LTM-A, LTM-B, LTM-C, and LTM-D. An LTM Specialist makes a configuration change on LTM-B. Later, a different LTM Specialist notices a "changes pending" message on all devices. When logged into LTM-D, the LTM Specialist attempts to config-sync to the device group. The sync operation fails.
Why is the LTM Specialist on LTM-D unable to synchronize the configuration to the group?
An F5 LTM Specialist needs to perform an LTM device configuration backup prior to RMA swap.
Which command should be executed on the command line interface to create a backup?
A BIG-IP Administrator adds new Pool Members into an existing, highly utilized pool. Soon after, there are reports that the application is failing to load for some users. What pool level setting should the BIG-IP Administrator check?
A virtual server is experiencing intermittent port exhaustion. What should be done to fix this issue?
One of the two members of a device group has been decommissioned. The BIG-IP Administrator tries to
delete the device group, but is unsuccessful.
Prior to removing the device group, which action should be performed?
An LTM device is serving an FTP virtual server that has three pool members. The FTP pool members are monitored via TCP port 21. Customers are reporting that they are able to log in, but are sometimes unable to upload files to the server.
Which monitor should the LTM Specialist configure to verify that the servers can handle file uploads?
Refer to the exhibit.
A BIG-IP Administrator needs to fall over the active device. The administrator logs into the Configuration
Unity and navigates to Device Management > Traffic Group. However, Force to Standby is greyed out
What is causing this issue?
An ecommerce company is experiencing latency issues with online shops during Black Friday's peak season.
The BIG-IP Administrator detects an overall high CPU load on the BIG-IP device and wants to move the
top utilized Virtual Servers to a dedicated BIG-IP device.
Where should the BIG-IP Administrator determine the problematic Virtual Servers?
DNS queries from two internal DNS servers are being load balanced to external DNS Servers via a Virtual
Server on a BIG-P device. The DNS queries originate from 192.168.101.100 and 192.168.101.200 and
target 192.168.21.50
All DNS queries destined for the external DNS Servers fail
Which property change should the BIG-IP Administrator make in the Virtual Server to resolve this issue?
-- Exhibit –
-- Exhibit --
Refer to the exhibit.
A failover has just occured on BIG-IP1. BIG-IP2 is now active and manages traffic as expected. Both Bigip's are set with a gateway failsafe to check the reachability of the main border router. Switches have performed as expected.
Where should the LTM Specialist check for potential issues?
A Standard Virtual Server configured for an application reports poor network performance. This
application is accessed mainly from computers on the Internet.
What should the BIG-IP Administrator configure on the Virtual Server to achieve better network
performance?
-- Exhibit –
-- Exhibit --
Refer to the exhibits.
An LTM Specialist configures a virtual server for an internal application to perform client-side encryption while allowing the server-side traffic to be unencrypted. Application users report that images are NOT loading through the virtual server; however, images load when going directly to the server.
What should the LTM Specialist configure to allow the images to load through the virtual server?