1. a small office uses a wireless ISR to connect to a cable modem for internet access. The networl administrator receives a call tahat one office computer cannot access external website. The first troubleshooting step that the network administrator performs is to ping the ISR. While troubleshooting technique does this represent?
D. divide-and-conquer.
2. Select three items that should be documented after troubleshooting an internal web server crash (choose three)
a. when the problem occurred
e. steps that were performed to identify the cause of the problem
f. steps that were performed that failed to identify the cause of the problem
3. A user calls the help desk to report a workstation problem. While three questions would the most helpful information for troubleshooting? (choose three)
a. A.if you received an error message, what was it?
b. B.Have there been any changes to your workstation recently?
c. D.what version of operationg system is running on your workstation?
4. A user wants to lest connectivity between host 3 and 8 on a network. Which command can be used to verify a connection?
b. ping
5. Ipconfig = displays IP settings on host
Netstat = display network connections
Ping = tests connections to other IP host
Tracert = displays route taken to destination
Nslookup = asks name server for into on destination domain
6. Which three pieces of information are revealed by yhe config command? (choose three)
b. Ip address
e. subnet mask
f. default gateway
7. How does an activity LED indicate that traffic is moving through a port?
a. by flashing
8. What is one of the most common reasons why hosts could be unable to connect?
b. cabling problems
9. Which three factors can affect the ability of host to connect to an AP using radio frequency signals? (choose three)
b. The 802.11A is not compatible with the 802.11 B/G standars
c. The avalaible bandwith between devices is shared with APs
e. Mulitple devices running on the same frequency causes interference
10. what step should be taken once a problem is resolved?
c. update the documentatio
Kamis, 28 Oktober 2010
Quiz Chapter 8
1. Drag the network threat on the left to the definition on the right.
a. Data loss à destroying data on a hard drive
b. Data manipulation à changing data for personal gain
c. Disruption of service à overloading a server to reduce its performance
d. Information theft à stealing data on a hard drive to gain a competitive advantage
e. Identity à stealing information to impersonate someone and usually to obtain credit.
2. How does a phisher typically contact a victim?
by E-mail
3. A file is downloaded from the internet. After the user opens the downloaded file, the user’s hard drive crashes and all information on the computer is lost. What type of attack occurred?
Virus
4. In rapid succession, an intruder tries a large number of possibilities to guess passwords. As a result, other users on the network are locked out. What type of attack occurred?
Brute force
5. What type of program installs and gathers personal information, including password and account information, from a computer without permission or knowledge of the user?
Spyware
6. A network administration is troubleshooting a computer that is operating strangely. It boots slowly, programs will not load, and the keyboard responds very slowly. What is the best action for the administrator to take?
Boot the PC and Run anti-virus and anti-spyware applications from an external drive.
7. Drag the term on left to the best description on the right.
a. Stateful packet inspection à can look inside the packet up through layer 7
b. Website filtering à allows or denies access based on a URL
c. Simple packet filtering à allows or denies access based on an IP or MAC address
d. NAT à keeps external users from knowing the IP Address used inside the network
8. Drag the term on left to the definition on the right.
a. Integrated à a feature of a network device such as a router.
b. Personal firewall à an application designed to protect a home PC
c. Appliance-based firewall à a device that has the sole function of being a firewall
d. Server-based firewall à an application designed to protect the enterprise network
9. What are three security features commonly found on an ISR? (Choose Three)
- DMZ
- NAT
- SPI
10. What are two purposes of a DMZ? (Choose two)
- To create a network area that allows internal resources, such as a web server, to be accessed by external users.
- To establish a network area where network resources can be shared by both internal and external users.
a. Data loss à destroying data on a hard drive
b. Data manipulation à changing data for personal gain
c. Disruption of service à overloading a server to reduce its performance
d. Information theft à stealing data on a hard drive to gain a competitive advantage
e. Identity à stealing information to impersonate someone and usually to obtain credit.
2. How does a phisher typically contact a victim?
by E-mail
3. A file is downloaded from the internet. After the user opens the downloaded file, the user’s hard drive crashes and all information on the computer is lost. What type of attack occurred?
Virus
4. In rapid succession, an intruder tries a large number of possibilities to guess passwords. As a result, other users on the network are locked out. What type of attack occurred?
Brute force
5. What type of program installs and gathers personal information, including password and account information, from a computer without permission or knowledge of the user?
Spyware
6. A network administration is troubleshooting a computer that is operating strangely. It boots slowly, programs will not load, and the keyboard responds very slowly. What is the best action for the administrator to take?
Boot the PC and Run anti-virus and anti-spyware applications from an external drive.
7. Drag the term on left to the best description on the right.
a. Stateful packet inspection à can look inside the packet up through layer 7
b. Website filtering à allows or denies access based on a URL
c. Simple packet filtering à allows or denies access based on an IP or MAC address
d. NAT à keeps external users from knowing the IP Address used inside the network
8. Drag the term on left to the definition on the right.
a. Integrated à a feature of a network device such as a router.
b. Personal firewall à an application designed to protect a home PC
c. Appliance-based firewall à a device that has the sole function of being a firewall
d. Server-based firewall à an application designed to protect the enterprise network
9. What are three security features commonly found on an ISR? (Choose Three)
- DMZ
- NAT
- SPI
10. What are two purposes of a DMZ? (Choose two)
- To create a network area that allows internal resources, such as a web server, to be accessed by external users.
- To establish a network area where network resources can be shared by both internal and external users.
CCNA Discovery 1 Module 9 Exam Answers Version 4.0
Hasmishel Tri Yeni
08 / 06489
1. What should a network administrator do first after receiving a call from a user who cannot access the company web server?
• Ask the user what URL has been typed and what error message displays.
2. A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
• substitution
3. Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?
• Check the workstation TCP/IP configuration.
4. Which two troubleshooting techniques are suitable for both home networks and large corporate networks? (Choose two.)
• documenting the troubleshooting process
• keeping a record of system upgrades and software versions
5. Identify two physical-layer network problems. (Choose two.)
• hardware failure
• loose cable connections
6. Which ipconfig command requests IP configuration from a DHCP server?
• ipconfig /renew
7. What command is used to determine the location of delay for a packet traversing the Internet?
• tracert
8. What command is used to determine if a DNS server is providing name resolution?
• nslookup
9. Which troubleshooting method begins by examining cable connections and wiring issues?
• bottom-up
10. A technician suspects that a Linksys integrated router is the source of a network problem. While troubleshooting, the technician notices a blinking green activity LED on some of the ports. What does this indicate?
• The ports are operational and are receiving traffic.
11. A PC is plugged into a switch and is unable to connect to the network. The UTP cable is suspected. What could be the problem?
• A crossover cable is being used.
12. Refer to the graphic. What configuration is incorrect in the network shown?
• The wired connection is the wrong type of cable.
13. Which three settings must match on the client and access point for a wireless connection to occur? (Choose three.)
• SSID
• authentication
• encryption key
14. A technician is troubleshooting a security breach on a new wireless access point. Which three configuration settings make it easy for hackers to gain access? (Choose three.)
• configuring NAT
• broadcasting the SSID
• using open authentication
• using the default internal IP address
15. Refer to the graphic. The wireless host cannot access the Internet, but the wired host can. What is the problem?
• The host WEP key is incorrect.
16. Refer to the graphic. What configuration is incorrect in the network shown?
• The host IP address is incorrect.
17. When acting as a DHCP server, what three types of information can an ISR provide to a client? (Choose three.)
• default gateway
• dynamic IP address
• DNS server address
18. What two items could be checked to verify connectivity between the router and the ISP? (Choose two.)
• router status page
• connectivity status as indicated by LEDs
19. A technician is unsuccessful in establishing a console session between a PC and a Linksys integrated router. Both devices have power, and a cable is connected between them. Which two troubleshooting steps could help to diagnose this problem? (Choose two.)
• Ensure the correct cable is used.
• Ensure the link status LED on the integrated router is lit.
20. Network baselines should be performed in which two situations? (Choose two.)
• after the network is installed and running optimally
• after major changes are implemented on the network
21. Typically, help desk personnel assist end users in which two tasks? (Choose two.)
• identifying when the problem occurred
• implementing the solution to the problem
22. How does remote-access software help in the troubleshooting process?
• Diagnostics can be run without a technician being present at the site.
23. Which two items should be added to the documentation following a troubleshooting event? (Choose two.)
• final resolution
• results of successful and unsuccessful troubleshooting steps
08 / 06489
1. What should a network administrator do first after receiving a call from a user who cannot access the company web server?
• Ask the user what URL has been typed and what error message displays.
2. A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
• substitution
3. Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?
• Check the workstation TCP/IP configuration.
4. Which two troubleshooting techniques are suitable for both home networks and large corporate networks? (Choose two.)
• documenting the troubleshooting process
• keeping a record of system upgrades and software versions
5. Identify two physical-layer network problems. (Choose two.)
• hardware failure
• loose cable connections
6. Which ipconfig command requests IP configuration from a DHCP server?
• ipconfig /renew
7. What command is used to determine the location of delay for a packet traversing the Internet?
• tracert
8. What command is used to determine if a DNS server is providing name resolution?
• nslookup
9. Which troubleshooting method begins by examining cable connections and wiring issues?
• bottom-up
10. A technician suspects that a Linksys integrated router is the source of a network problem. While troubleshooting, the technician notices a blinking green activity LED on some of the ports. What does this indicate?
• The ports are operational and are receiving traffic.
11. A PC is plugged into a switch and is unable to connect to the network. The UTP cable is suspected. What could be the problem?
• A crossover cable is being used.
12. Refer to the graphic. What configuration is incorrect in the network shown?
• The wired connection is the wrong type of cable.
13. Which three settings must match on the client and access point for a wireless connection to occur? (Choose three.)
• SSID
• authentication
• encryption key
14. A technician is troubleshooting a security breach on a new wireless access point. Which three configuration settings make it easy for hackers to gain access? (Choose three.)
• configuring NAT
• broadcasting the SSID
• using open authentication
• using the default internal IP address
15. Refer to the graphic. The wireless host cannot access the Internet, but the wired host can. What is the problem?
• The host WEP key is incorrect.
16. Refer to the graphic. What configuration is incorrect in the network shown?
• The host IP address is incorrect.
17. When acting as a DHCP server, what three types of information can an ISR provide to a client? (Choose three.)
• default gateway
• dynamic IP address
• DNS server address
18. What two items could be checked to verify connectivity between the router and the ISP? (Choose two.)
• router status page
• connectivity status as indicated by LEDs
19. A technician is unsuccessful in establishing a console session between a PC and a Linksys integrated router. Both devices have power, and a cable is connected between them. Which two troubleshooting steps could help to diagnose this problem? (Choose two.)
• Ensure the correct cable is used.
• Ensure the link status LED on the integrated router is lit.
20. Network baselines should be performed in which two situations? (Choose two.)
• after the network is installed and running optimally
• after major changes are implemented on the network
21. Typically, help desk personnel assist end users in which two tasks? (Choose two.)
• identifying when the problem occurred
• implementing the solution to the problem
22. How does remote-access software help in the troubleshooting process?
• Diagnostics can be run without a technician being present at the site.
23. Which two items should be added to the documentation following a troubleshooting event? (Choose two.)
• final resolution
• results of successful and unsuccessful troubleshooting steps
CCNA Discovery 1 Module 8 Exam Answers Version 4.0
Hasmishel Tri Yeni
08 / 06489
1. Identify three techniques used in social engineering. (Choose three.)
• vishing
• phishing
• pretexting
2. During a pretexting event, how is a target typically contacted?
• by phone
3. While surfing the Internet, a user notices a box claiming a prize has been won. The user opens the box unaware that a program is being installed. An intruder now accesses the computer and retrieves personal information. What type of attack occurred?
• Trojan horse
4. What is a major characteristic of a Worm?
• exploits vulnerabilities with the intent of propagating itself across a network
5. A flood of packets with invalid source-IP addresses requests a connection on the network. The server busily tries to respond, resulting in valid requests being ignored. What type of attack occurred?
• SYN flooding
6. What type of advertising is typically annoying and associated with a specific website that is being visited?
• popups
7. What is a widely distributed approach to marketing on the Internet that advertises to as many individual users as possible via IM or e-mail?
• spam
8. What part of the security policy states what applications and usages are permitted or denied?
• acceptable use
9. Which statement is true regarding anti-virus software?
• Only after a virus is known can an anti-virus update be created for it.
10. Which two statements are true concerning anti-spam software? (Choose two.)
• When anti-spam software is loaded, legitimate e-mail may be classified as spam by mistake.
• Even with anti-spam software installed, users should be careful when opening e-mail attachments.
11. What term is used to describe a dedicated hardware device that provides firewall services?
• appliance-based
12. Which acronym refers to an area of the network that is accessible by both internal, or trusted, as well as external, or untrusted, host devices?
• DMZ
13. Which statement is true about port forwarding within a Linksys integrated router?
• Only external traffic that is destined for specific internal ports is permitted. All other traffic is denied.
14. To which part of the network does the wireless access point part of a Linksys integrated router connect?
• internal
15. Refer to the graphic. What is the purpose of the Internet Filter option of Filter IDENT (Port 113. on the Linksys integrated router?
• to prevent outside intruders from attacking the router through the Internet
16. What statement is true about security configuration on a Linksys integrated router?
• Internet access can be denied for specific days and times.
17. What environment would be best suited for a two-firewall network design?
• a large corporate environment
18. What is one function that is provided by a vulnerability analysis tool?
• It identifies missing security updates on a computer.
19. Many best practices exist for wired and wireless network security. The list below has one item that is not a best practice. Identify the recommendation that is not a best practice for wired and wireless security.
• Disable the wireless network when a vulnerability analysis is being performed.
20. What best practice relates to wireless access point security?
• a change of the default IP address
21. Refer to the graphic. In the Linksys Security menu, what does the SPI Firewall Protection option Enabled provide?
• It requires that packets coming into the router be responses to internal host requests.
08 / 06489
1. Identify three techniques used in social engineering. (Choose three.)
• vishing
• phishing
• pretexting
2. During a pretexting event, how is a target typically contacted?
• by phone
3. While surfing the Internet, a user notices a box claiming a prize has been won. The user opens the box unaware that a program is being installed. An intruder now accesses the computer and retrieves personal information. What type of attack occurred?
• Trojan horse
4. What is a major characteristic of a Worm?
• exploits vulnerabilities with the intent of propagating itself across a network
5. A flood of packets with invalid source-IP addresses requests a connection on the network. The server busily tries to respond, resulting in valid requests being ignored. What type of attack occurred?
• SYN flooding
6. What type of advertising is typically annoying and associated with a specific website that is being visited?
• popups
7. What is a widely distributed approach to marketing on the Internet that advertises to as many individual users as possible via IM or e-mail?
• spam
8. What part of the security policy states what applications and usages are permitted or denied?
• acceptable use
9. Which statement is true regarding anti-virus software?
• Only after a virus is known can an anti-virus update be created for it.
10. Which two statements are true concerning anti-spam software? (Choose two.)
• When anti-spam software is loaded, legitimate e-mail may be classified as spam by mistake.
• Even with anti-spam software installed, users should be careful when opening e-mail attachments.
11. What term is used to describe a dedicated hardware device that provides firewall services?
• appliance-based
12. Which acronym refers to an area of the network that is accessible by both internal, or trusted, as well as external, or untrusted, host devices?
• DMZ
13. Which statement is true about port forwarding within a Linksys integrated router?
• Only external traffic that is destined for specific internal ports is permitted. All other traffic is denied.
14. To which part of the network does the wireless access point part of a Linksys integrated router connect?
• internal
15. Refer to the graphic. What is the purpose of the Internet Filter option of Filter IDENT (Port 113. on the Linksys integrated router?
• to prevent outside intruders from attacking the router through the Internet
16. What statement is true about security configuration on a Linksys integrated router?
• Internet access can be denied for specific days and times.
17. What environment would be best suited for a two-firewall network design?
• a large corporate environment
18. What is one function that is provided by a vulnerability analysis tool?
• It identifies missing security updates on a computer.
19. Many best practices exist for wired and wireless network security. The list below has one item that is not a best practice. Identify the recommendation that is not a best practice for wired and wireless security.
• Disable the wireless network when a vulnerability analysis is being performed.
20. What best practice relates to wireless access point security?
• a change of the default IP address
21. Refer to the graphic. In the Linksys Security menu, what does the SPI Firewall Protection option Enabled provide?
• It requires that packets coming into the router be responses to internal host requests.
Kamis, 14 Oktober 2010
ChaPter 6
6.2.1
step1:
d) 60.254.176.170
e) karena itu merupakan ping dari komputer/ PC yang sedang dijalankan
step2:
b) ns3.unp.ac.id
e) cmd nslookup -> bisa jalan
msconfig nslookup -> jalan
notepad nslookup -> bisa jalan
g) 192.168.194.2
h) tidak sama, yang d command adalah 10.1.1.1
i) 64.133.161.111
step3:
f) 10.1.1.1
step4:
a) tidak bisa nyambung ke jaringan internet
b)
6.2.3
step1:
d) - Append
- Ascii
- Bell
f) Put : Untuk menyalin file ke remote computer
g) - Get : Salinan satu jauh file ke komputer lokal
- Send : Mengirim file yang berada dalam komputer lokal ke komputer server yang sedang di-remote
- Recv : Mengcopy file yang ada di remote computer ke dalam computer local
step2:
c) http://banditcode.wordpress.com/2010/02/23/perintah-ftp-windows/
d) Manfaat FTP Untuk mengambil data / file.Untuk mendownload software. Untuk menaruh data pada komputer
6.2.4
step3:
c) pop3.xyz-isp.com
d) smtp.xyz-isp.com
step5:
a) keuntungan
- pesan yang dikirim langsung kepada si penerima pesan
kelemahan
- lambat sampai pada si penerima
b) keuntungan: cepat
kelemahan : mudah terserang virus (hacker)
step1:
d) 60.254.176.170
e) karena itu merupakan ping dari komputer/ PC yang sedang dijalankan
step2:
b) ns3.unp.ac.id
e) cmd nslookup -> bisa jalan
msconfig nslookup -> jalan
notepad nslookup -> bisa jalan
g) 192.168.194.2
h) tidak sama, yang d command adalah 10.1.1.1
i) 64.133.161.111
step3:
f) 10.1.1.1
step4:
a) tidak bisa nyambung ke jaringan internet
b)
6.2.3
step1:
d) - Append
- Ascii
- Bell
f) Put : Untuk menyalin file ke remote computer
g) - Get : Salinan satu jauh file ke komputer lokal
- Send : Mengirim file yang berada dalam komputer lokal ke komputer server yang sedang di-remote
- Recv : Mengcopy file yang ada di remote computer ke dalam computer local
step2:
c) http://banditcode.wordpress.com/2010/02/23/perintah-ftp-windows/
d) Manfaat FTP Untuk mengambil data / file.Untuk mendownload software. Untuk menaruh data pada komputer
6.2.4
step3:
c) pop3.xyz-isp.com
d) smtp.xyz-isp.com
step5:
a) keuntungan
- pesan yang dikirim langsung kepada si penerima pesan
kelemahan
- lambat sampai pada si penerima
b) keuntungan: cepat
kelemahan : mudah terserang virus (hacker)
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