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Cisco 640-802 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshoot | 30% | - Troubleshoot LAN switching issues - Troubleshoot WAN connectivity - Troubleshoot ACL and security issues - Troubleshoot IP connectivity and routing problems - Troubleshoot VLAN and trunking issues |
| Topic 2: Implement & Operate | 35% | - Configure WAN links and protocols - Implement IP addressing and subnetting - Manage Cisco IOS configuration files - Configure access control lists - Configure routers and routing protocols - Configure switches and VLANs |
| Topic 3: Technology & Knowledge | 15% | - Routing fundamentals - Ethernet and switching concepts - WAN technologies - Network security fundamentals - OSI and TCP/IP models - IPv4 addressing and subnetting |
| Topic 4: Plan & Design | 20% | - Design a simple LAN - Design an IP addressing scheme - Select appropriate WAN services - Select appropriate routing protocols |
Cisco Certified Network Associate(CCNA) Sample Questions:
What must be configured on the network in order for users on the Internet to view web pages located on Web Server 2?
- A. On router R1, configure NAT to translate an address on the 209.165.100.0/24 network to
192.168.1.10 - B. On router R2, configure DHCP to assign a registered IP address on the 209.165.100.0/24 network to Web Server 2.
- C. On router R1 , configure DNS to resolve the URL assigned to Web Server 2 to the
192.168.1.10 address - D. On router R1, configure a default static route to the 192.168.1.0 network.
Correct Answer: A 🗳️
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CORRECT TEXT
ACL-3
Correct Answer:
Corp 1>enable Corp1#configure terminal Corp1(config)#access-list 100 permit tcp host 192.168.33.3 host 172.22.242.23 eq 80 Corp1(config)#access-list 100 deny tcp 192.168.33.0 0.0.0.255 host 172.22.242.23 eq 80 Corp1(config)#access-list 100 permit ip any any Corp1(config)#interface fa 0/1 sh ip int brief Corp1(config-if)#ip access-group 100 out Corp1(config-if)#end Corp1#copy running-config startup-config
Explanation:
Select the console on Corp1 router Configuring ACL Corp1 >enable Corp1#configure terminal comment: To permit only Host C
(192.168. 33. 3){source addr} to access finance server address (172. 22. 242. 23) {destination addr} on port number 80 (web) Corp1(config)#access-list 100 permit tcp host 192. 168. 33. 3 host 172. 22. 242. 23 eq 80 comment: To deny any source to access finance server address (172. 22. 242. 23) {destination addr} on port number 80 (web) Corp1(config)#access-list 100 deny tcp any host 172. 22. 242. 23 eq 80 comment: To permit ip protocol from any source to access any destination because of the implicit deny any any statement at the end of ACL. Corp1(config)#access-list 100 permit ip any any Applying the ACL on the Interface comment: Check show ip interface brief command to identify the interface type and number by checking the IP address configured. Corp1(config)#interface fa 0/1 If the ip address configured already is incorrect as well as the subnet mask, this should be corrected in order ACL to work type this commands at interface mode : no ip address 192. x. x. x 255. x. x. x (removes incorrect configured ip address and subnet mask) Configure Correct IP Address and subnet mask: ip address 172. 22. 242. 30 255. 255. 255. 240 (range of address specified going to server is given as 172. 22. 242. 17-172. 22. 242. 30 ) comment: Place the ACL to check for packets going outside the interface towards the finance web server. Corp1(config-if)#ip access-group 100 out Corp1(config-if)#end Important: To save your running config to startup before exit. Corp1#copy running-config startupconfig Verifying the Configuration :
Step1: show ip interface brief command identifies the interface on which to apply access list.
Step2: Click on each host A, B, C & D.Host opens a web browser page, Select address box of the web browser and type the ip address of finance web server(172. 22. 242. 23) to test whether it permits /deny access to the finance web Server. Step 3: Only Host C (192.168. 33. 3) has access to the server. If the other host can also access then maybe something went wrong in your configuration check whether you configured correctly and in order.
Step 4: If only Host C (192.168. 33. 3) can access the Finance Web Server you can click on NEXT button to successfully submit the ACL SIM.
All WAN links inside the ABC University network use PPP with CHAP for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?
- A. show interface serial0
- B. show CHAP authentication
- C. show ppp authentication chap
- D. debug PPP authentication
- E. debug CHAP authentication
Correct Answer: D 🗳️
What occurs on a Frame Relay network when the CIR is exceeded?
- A. All TCP traffic is marked discard eligible.
- B. All traffic exceeding the CIR is marked discard eligible.
- C. All TCP traffic is marked discard eligible and a BECN is sent.
- D. All UDP traffic is marked discard eligible and a BECN is sent.
Correct Answer: B 🗳️
Please study the exhibit shown above carefully, and answer the following questions.
A static map to the S-AMER location is required. Which command should be used to create this map?
- A. frame-relay map ip 172.30.0.3 704 broadcast
- B. frame-relay map ip 172.30.0.3 344 broadcast
- C. frame-relay map ip 172.30.0.3 702 broadcast
- D. frame-relay map ip 172.30.0.3 196 broadcast
Correct Answer: D 🗳️
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