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Grade: 12

No specific questions.

Grade: All Grades

1 REQUIRED--A copy of your most recent completed annual performance appraisal, dated within the last year, that includes the final rating. If you have not received a performance appraisal within the last year, you must provide an explanation. Have you received an appraisal or rating on your job performance in the last year? Answer to this question is required
  • Yes If yes, you must submit a complete copy of your most recently received performance appraisal (dated within the last year) per the instructions under "How to Apply" of this announcement.
  • No
    1.1 If no, please explain why. Your statement will not be accepted if it does not give a reason. "I have not received a performance appraisal within the last year" is acceptable as a reason. Maximum length of 250 characters.
You must have one year of specialized experience at a level of difficulty and responsibility equivalent to the GS-11 grade level in the Federal service. Specialized experience for this position includes direct hands-on experience in configuring and maintaining enterprise class* routers, switches, and firewalls. (* enterprise class: infrastructure that is deployed in a data center with full automated redundancy that is used to support the demands of more than 500 users 24 hours a day, seven days a week, 365 days a year.)
2 Do you meet this specialized experience? Answer to this question is required
  • Yes
  • No
3 If you answered yes, where in your resume do you meet this specialized experience (position, employer, dates of employment)? Maximum length of 250 characters. Answer to this question is required
4 Do you have "hands on" experience with enterprise class hardware DNS servers? (enterprise class: infrastructure that is deployed in fully automated redundancy that is used to support the demands of more than 200 users 24 hours a day, seven days a week, 365 days a year.) Answer to this question is required
  • Yes
  • No
5 Do you have “hands on” experience with network packet capture devices? Answer to this question is required
  • Yes
  • No
6 Please list ALL the Firewall vendors/models that you have personally had "hands on" experience with. Maximum length of 250 characters. Answer to this question is required
7 How many hosts and subnets are possible if you have an IP of 10.168.10.49 with a subnet mask of 7 bits? Answer to this question is required
  • 510 hosts and 127 subnets
  • 512 hosts and 128 subnets
  • 126 subnets and 510 hosts
  • 128 subnets and 512 hosts
8 What's the default subnet mask for a Class C IP addresses? Answer to this question is required
  • 255.0.0.0
  • 255.255.0.0
  • 255.255.255.0
  • 255.255.255.255
9 What represents the decimal equivalence of 11000000 10101000 10101100 11110001? Answer to this question is required
  • 192.168.184.201
  • 192.168.172.241
  • 192.170.172.237
  • 192.170.184.221
10 Which of the following is a valid extended IP access list? Answer to this question is required
  • Access-list 101 permit ip host 175.2.10.0 any eq 80.
  • Access-list 101 permit ip host 175.2.10.0 any eq www.
  • Access-list 101 permit tcp host 175.2.10.0 any eq 80.
  • Access-list 101 permit icmp host 175.2.10.0 any eq www.
11 During a TCP communication session, if the packets arrive to the destination out of order, what will happen to the original message? Answer to this question is required
  • The packets will not be delivered.
  • The packets will be retransmitted from the source.
  • The packets will be delivered and reassembled at the destination.
  • The packets will be delivered and not reassembled at the destination.
12 A ScreenOS firewall has one interface in the user zone and one interface in the servers zone. Both interfaces are addressed and active. The configured policy allows user traffic from the user zone to the FTP server in the servers zone, but the traffic does not cross the firewall from the client to the server. Which of the following is the most likely problem? Answer to this question is required
  • The ScreenOS firewall has no physical connection to the FTP server.
  • The ALG option on the ScreenOS firewall has not been enabled for FTP traffic.
  • The ScreenOS firewall does not have a route defined to the FTP server's subnet.
  • The ScreenOS firewall does not have a route defined to the FTP client's subnet.
13 Secure services in your network require reverse name resolution to make it more difficult to launch successful attacks against the services. To set this up, you configure a reverse lookup zone and proceed to add records. Which record types do you need to create? Answer to this question is required
  • A records
  • SOA records
  • PTR records
  • MX records
  • None of the above
14 Please list ALL of the routing protocols that you have had direct experience with, including the deployment and operation in a production environment. Maximum length of 250 characters. Answer to this question is required
15 What is/are the purpose(s) of the Spanning Tree Algorithm? Answer to this question is required
  • To keep routing updates from being transmitted onto the same port on which they were received.
  • To prevent a "loop free" logical tree topology.
  • To discover a "loop free" topology and provide, as possible, a path between every pair of LAN's.
  • To provide a path between every LAN segment.
  • To help ensure that messages will arrive over all possible paths.
16 What is the correct order of states for a typical port participating in Spanning Tree: Answer to this question is required
  • initialization>blocking>listening>learning>forwarding
  • initialization>learning>listening>blocking>forwarding
  • initialization>forwarding>listening>blocking>learning
  • initialization>listening>learning>blocking>forwarding
  • blocking>initialization>listening>learning>forwarding
17 You are considering your options for a new firewall deployment. At what layer(s) of the OSI model does a stateful packet filtering firewall operate? (Select ALL that apply) Answer to this question is required
  • Presentation
  • Data Link
  • Network
  • Application
  • Transport
18 Which two layers of the OSI model have the same functions as the TCP/IP model Network Access Layer? Answer to this question is required
  • Network
  • Transport
  • Physical
  • Data Link
  • Session
19 Which layer encapsulates the segment into packets? Answer to this question is required
  • physical
  • data link
  • network
  • transport
20 What three protocols operate at the Application layer of the OSI model? (Choose three.) Answer to this question is required
  • ARP
  • DNS
  • PPP
  • SMTP
  • POP
  • ICMP
21 How does HTTP handle state? Answer to this question is required
  • Within icmp signaling.
  • TCP keepalives.
  • UDP datagrams.
  • None of the above.
22 What port does Ping work over? Answer to this question is required
  • 7
  • 65532
  • 1024
  • 1023
  • None of the above.
23 Please indicate all of the operating systems from the following list that you have had “hands on” experience in configuring, maintaining, securing, troubleshooting, and operating in an enterprise production environment: Answer to this question is required
  • Windows server
  • Windows workstation
  • Linux server
  • Unix server
  • BSD server
  • Solaris
  • None of the above
24 Please select the scripting languages from the following list that you have experience in and are confident writing scripts for a production environment: Answer to this question is required
  • BASH
  • Perl
  • VBScript
  • PHP
  • Expect
  • Python
  • None of the above
25 When you receive positive feedback about the completion of a project do you give your team credit? Answer to this question is required
  • always
  • sometimes
  • yes, but I make sure my role is understood
  • not often
  • never
26 When you are part of a team that is working exceptionally well, what do you think is the most likely reason for the team's success. Maximum length of 250 characters. Answer to this question is required
27 What is the average size of the team(s) that you have been a member? Maximum length of 250 characters. Answer to this question is required
28 When you were a member of a team, which roles have you played? Maximum length of 250 characters. Answer to this question is required
29 Please select the answer that best describes you. Answer to this question is required
  • I am able to communicate moderately technical ideas with individuals or groups and collaborate with senior personnel.
  • I am able to clearly communicate and defend highly complex and controversial ideas and advise other IT experts within the agency or outside the agency.
  • I am able to present recommendations and justifications to implement systems that meet current and future business requirements and enhance the existing architecture.
  • I am able to communicate complex technical ideas and information with individuals or groups that encompass all levels of personnel and present recommendations regarding policy, programs, and innovations.
  • None of the above.
30 Can you assess customer needs and provide customer service? (Select the answer that best describes you) Answer to this question is required
  • I am able to develop and maintain relationships with a diverse clientele and provide expert technical information and guidance.
  • I am able to assess customer needs or concerns to provide expert technical information and customized solutions to complex or sensitive IT problems.
  • I am able to communicate with customers who have diverse technical needs and offer advice for IT problems.
  • I am able to develop and maintain relationships with customers, provide expert technical information about IT products and services, determine customer satisfaction, and formulate ideas for improvements.
  • None of the above.
31 Can you solve problems? (Select the answer that best describes you) Answer to this question is required
  • I am able to research technical information from a variety of sources to provide precedent-setting solutions to unique problems.
  • I am able to research technical information to identify solutions to moderately complex problems.
  • I am able to anticipate highly technical problems, interpret data, and make decisions that influence important agency/organization IT policies and programs.
  • I am able to evaluate highly technical materials from a variety of sources to interpret data and provide solutions that apply new developments, influence policy, increase functionality, or improve operations.
  • None of the above.
32 A rope ladder hangs over the side of a ship. The rungs are one foot apart and the ladder is 12 feet long. The tide is rising at four inches an hour. How long will it take before the first four rungs of the ladder are underwater? Answer to this question is required
  • 12 hours
  • never
  • 4 hours
  • 48 hours