[2022年02月] ベストF5 Networks Certification Study Materials学習ガイドは301試験問題集
301認定ガイド問題と解答トレーニング
質問 27
Which two statements are true concerning capabilities of current BIG-IP platforms?
(Choose two.)
- A. All current BIG-IP platform use both an ASIC. And CPU(s)to process traffic.
- B. Only 2U BIG-IP Platform have an option of a second power supply.
- C. All current BIG-IP platform can perform hardware compression.
- D. All BIG-IP have capacity to perform bulk encryption I decryption of SSL traffic independent of the CPU.
- E. The 1600 hosts more ports than the 3900.
正解: A,D
質問 28
An LTM has the 3 virtual servers, four self IP addresses defined and the networks shown in the exhibit. Selected options for each object are shown below. Settings not shown are at their defaults. VirtualServerl Destination: 10.10.2.102:443 netmask 255.255.255.255 Pool: Pool with 3 members in the 172.16/16 network VirtualServer2 Destination: 10.10.2.102:* netmask 255.255.255.255 Pool: Pool with 3 members in the 192.168/16 network VirtualServer3 Destination: 10.10.2.0:80 netmask 255.255.255.0 Type: IP Forwarding SNAT1 Source IP: All Addresses SNAT Address: SNAT Pool with 2 members - 172.16.20.50 and 192.168.10.50 Self IPs 192.168.1.1; 172.16.1.1; 10.10.2.1;
10.10.1.1 A connection attempt is made with a source IP and port of 10.20.100.50:2222 and a destination IP and port of 10.10.2.102:80. When the request is processed, what will be the destination IP address?
- A. Destination IP: 10.10.2.102
- B. Destination IP: pool member in the 192.168/16 network
- C. The request will be dropped.
- D. Destination IP: pool member in the 172.16/16 network
正解: B
質問 29
Which three parameters could be used to determine whether a connection request will have the source address translated as the request is processed? (Choose three.)
- A. the client's IP netmask
- B. the client's TCP port
- C. the client's browser's preferred language
- D. the client IP fragment offset
- E. the client's IP address
- F. the client's router's IP address
正解: B,C,E
質問 30
The following iRule is being used within a persistence profile on a virtual server. Assuming the following HTTP requests are made within the same timeout window, what is the maximum number of persistence records that will be created iRule: rule Persist_Universal { when HTTP_REQUEST { persist uie [findstr [HTTP::uri] "?" 8 3] } Requests:#1 http: I/www.test.com/input.html?testl 45ABR80 #2 http ://www.test.com/input .html?testl 35PDC72 #3 http :llwww.test. com/input.html?testl 25ABR76 #4 http ://www.test.com/input.html?testl
45MN088 #5 http ://www.test. com/input.html?testl 55ABR98 #6 http ://www.test.com/input.html?testl 45 PDC6O #7 http ://www.test. com/input.html?testl 75ABC50 #8 http ://www.test.com/input.html?testl 25MN055 #9 http: llwww.test. com/input.html?testl 45ABC70 #10 http ://www.test.com/input.html?testl 35PDC42
- A. 0
- B. It cannot be determined from the given data.
- C. 1
- D. 2
- E. 3
- F. 4
- G. 5
正解: C
質問 31
What occurs when a save?command is issued?What occurs when a ? save?command is issued?
- A. The current configuration files are backed up.
- B. The current configuration files are verified for syntax, then the running configuration is installed in memory.
- C. The current configuration files are saved into an archive format.
- D. The current configuration files are loaded into memory.
正解: A
質問 32
What does the nsert XForwarded For?
option in an HTTP profile do?
What does the ?nsert XForwarded For?option in an HTTP profile do?
- A. A BIG-IP self-IP is inserted in the source address field on the server-sid connection.
- B. A BIG-IP self-IP is inserted in the source address field on the clint-side connection.
- C. The client IP addresses are inserted into messages sent to remote syslog servers.
- D. The client IP addresses are inserted into HTTP header.
正解: D
質問 33
Which two processes are involved when BIG-IP systems issue traps? (Choose two.)
- A. alertd
- B. bigd
- C. syslog-ng
- D. smtpd
正解: A,C
質問 34
A BIG-IP has the following objects configured: A SNAT pool with 2 members: 150.10.33.33 and 10.10.1.33 A load-balancing pool with 5 members: 10.10.1.1-10.10.1.5:80
The BIG-IP has two self-IP addresses: 150.10.10.10 and 10.10.1.10 A virtual server at 150.10.30.30:80 that is associated with both the SNAT pool and the load-balancing pool. If a client at IP address 200.10.10.10 initiates a connection to the virtual server, what will the source IP address be in the packets sent to the chosen pool member?
- A. 150.10.33.33
- B. 10.10.1.33
- C. 150.10.30.30
- D. It could be any of the addresses of the members of the load-balancing pool.
- E. 200.10.10.10
- F. 10.10.1.10
正解: B
質問 35
What is the expected difference between two source address persistence profiles if profile A has a mask of 255.255.255.0 and profile B has a mask of 255.255.0.0?
- A. Profile A will have more clients matching existing persistence records.
- B. There are no detectable differences.
- C. Profile B will have fewer persistence records for the sane client base.
- D. Profile B has a greater potential number of persistence records.
正解: C
質問 36
A BIG-IP has two SNATs, a pool of DNS servers and a virtual server configured to load-balance UDP traffic to the DNS servers. One SNAT's address is 64.100.130.10; this SNAT is defined for all addresses.
The second SNAT's address is 64.100.130.20; this SNAT is
defined for three specific addresses, 172.16.3.54, 172.16.3.55, and 172.16.3.56. The virtual server's destination is
64.100.130.30:53.
The SNATs and virtual server have default VLAN associations. If a client with IP address 172.16.3.55 initiates a request to the virtual server, what is the source IP address of the packet as it reaches the chosen DNS server?
- A. 172.16.3.55
- B. 64.100.130.10
- C. 64.100.130.30
- D. 64.100.130.20
正解: D
質問 37
Which three statements are true about SNATs? (Choose three.)
- A. SNAT s support UDP, TCP, and ICMP traffic.
C, SNAT s provide a many-to-one mapping between IP addresses. - B. SNAT addresses can be identical to virtual server IP addresses.
- C. SNAT s provide bi-directional traffic initiation.
正解: A,B
質問 38
A monitor has been defined with an alias port of 443. All other options are left at their defaults. The administrator
wishes to assign it to a pool of members where the members' ports vary. Which is the result?
- A. For each member, the monitor will test member node at port 443. For each member, the monitor will test the member ? node at port 443.
- B. This assignment is not allowed since the port do not match.
- C. For each member. If it is running an SSL service at the member port, the monitor may work. Otherwise, the monitor will fail and the member for each member, if it is running an SSL service at the member port, the monitor may work. Otherwise, the monitor will fail and the member will be marked down.
- D. For each member, if the member port is not 443, the member will be marked down. For each member,if the member? Port is not 443, the member will be marked down.
正解: A
質問 39
An LTM has the 3 virtual servers, 2 SNATs, four self IP addresses defined and the networks shown in the exhibit. Selected options for each object are shown below. Settings not shown are at their defaults.
Assume port exhaustion has not been reached. VirtualServerl Destination: 10.10.2.102:80 netmask 255.255.255.255 Pool: Pool with 3 members in the 172.1 61.16 network SNAT Automap configured V VirtualServer2 Destination: 10.10.2.102:* netmask
255.255.255.255 Transparent with 3 pool members
in the 192.168/16 network VirtualServer3 Destination: 10.10.2.0:80 netmask 255.255.255.0 Type: IP Forwarding SNATI Source IP: 10.10.0.0 netmask 255.255.0.0 SNAT Address: SNAT Pool with 2 members
172.16.20.50 and 192.168.10.50 SNAT2 Source IP: All Addresses SNAT Address: 10.10.2.103 Floating Self IPs 192.168.1.1; 172.16.1.1; 10.10.2.1; 10.10.1.1 A connection attempt is made with a source IP and port of 10.20.100.50:2222 and a destination IP and port of 10.10.2.102:443. When the request is processed, what will be the source and destination IP addresses?
- A. The request will be dropped.
- B. Source IP: 10.10.2.103; Destination IP: 10.10.2.102
- C. Source IP: 10.10.201; Destination IP: 10.102.102
- D. Source IP: 10.20.10.50; Destination IP: pool member in the 192.168/16 network
- E. Source IP: 10.10.2.103; Destination IP: pool member in the 192.168/16 network
- F. Source IP: 10.10.201; Destination IP: pool member in the 192.168/16 network G
正解: B
質問 40
An LTM has the 3 virtual servers, a SNAT, four self IP addresses defined and the networks shown in the exhibit. Selected options for each object are shown below. Settings not shown are at their defaults. VirtualServerl Destination: 10.10.2.102:80 netmask 255.255.255.255 Pool: Pool with 3 members in the 172.16/16 network VirtualServer2 Destination: 10.10.2.102:* netmask 255.255.255.255 Pool: Pool with 3 members in the 192.168/16 network VirtualServer3 Destination: 10.10.2.0:80 netmask 255.255.255.0 Type: IP Forwarding SNAT1 Source IP: All Addresses SNATAddress: SNAT Pool with 2 members- 172.16.20.50 and 192.168.10.50 Self IPs 192.168.1.1; 172.16.1.1; 10.10.2.1; 10.10.1.1 A connection attempt is made with a source IP and port of 10.20.100.50:2222 and a destination IP and port of 10.10.2.10:80. When the request is processed, what will be the destination IP address?
- A. Destination IP: 10.10.2.10
- B. Destination IP: pool member in the 192.168/16 network.
- C. The request will be dropped.
- D. Destination IP: pool member in the 172.16/16 network
正解: A
質問 41
How is traffic flow through transparent virtual servers different from typical virtual servers?
- A. Traffic flow through transparent virtual severs is not load balabced.
- B. Traffic flow through transparent virtual servers is bridged ( leave IP and MAC.addresses intact) rather than routed (leave IP address intact but change the MAC.addresses).
- C. traffic flow through transparent virtual servers must be forwarded through a single routing device.
- D. traffic flow through transparent virtual servers soes not have IP address translation performed.
正解: D
質問 42
An LTM has the 3 virtual servers, 2 SNATs, four self IP addresses defined, and the networks shown in the exhibit. Selected options for each object are shown below. Settings not shown are at their defaults.
Assume port exhaustion has not been reached. Vi rtualServerl Destination: 10.10.2.102:80 netmask 255.255.255.255 Pool: Pool with 3 members in the 172.16/16 network SNAT Automap configured Vi rtualServer2 Destination: 10.10.2.102:* netmask 255.255.255.255 Pool: Pool with 3 members in the 192.168/16 network Vi rtualServer3 Destination: 10.10.2.0:80 netmask 255.255.255.0 Type: IP Forwarding SNAT1 Source IP: 10.10.0.0 netmask 255.255.0.0 SNAT Address: SNAT Pool with 2 members
172.16.20.50 and 192.168.10.50 SNAT2 Source IP: All Addresses SNATAddress:
10.10.2.102 Floating Self IPs 192.168.1.1; 172.16.1.1; 10.10.2.1; 10.10.1.1
- A. connection attempt is made with a source IP and port of 10.10.100.50:2222 and a destination IP and port of 10.10.2.10:80. When the request is processed, what will be the source and destination IP addresses?
- B. Source IP: Either 172.16.20.50 or 192.168.10.50; Destination IP: 10.10.2.10
- C. Source IP: 10.10.2.1; Destination IP: pool in the 172.16/16 network C
- D. Source IP: 10.10.2.102; Destination IP 10.10.2.10
- E. Source IP: 10.10.2.1; Destination IP: 10.10.2.10
- F. The request will be droped.
正解: B
質問 43
Which statement is true concerning iRule context?
- A. The rule command determines the context.
- B. The results of the iRule's conditional statement determines the context.
- C. the context must be explicitly declared.
- D. The iRule event declaration determines the context.
正解: D
質問 44
Why would an administrator capture monitor traffic between a BIG-IP and servers?
- A. If client traffic to servers was failing, viewing and analyzing monitor traffic would determine the reason.
- B. If a client were having difficulty logging into a load-balanced SSH server, viewing and analyzing the connection process would determine the reason.
- C. Only client traffic may be captured; monitor traffic may not be captured.
- D. Viewing monitor traffic could help the administrator to define a more robust monitor.
正解: D
質問 45
After editing and saving changes to the configuration file containing virtual servers,
what is the immediate result?
- A. The new configuration is verified
- B. The new configuration is verified and loaded.
- C. The new configuration is verified and loaded if is it syntactically correct.
- D. The new configuration is loaded but not verified.
- E. The new configuration is neither verified nor loaded.
- F. The new configuration is verified not loaded.
正解: E
質問 46
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