Cisco Certified Network Associate Exam,640-802 CCNA. Which three statements are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? The router modifies the TTL field, decrementing it by one. The router changes the source IP to the IP of the exit interface. The router maintains the same source and destination IP. A network administrator has .

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1What application layer protocol is commonly used to support for file transfers between a client and a server? 2What are two forms of application layer software? 3 A network administrator is designing a network for a new branch office of twenty-five users. What are the advantages of using a client-server model? Does not require specialized software. Security is easier to enforce. Provides a single point of failure. 4 What is the purpose of resource records in DNS? Telnet provides .

1 Refer to the exhibit. A student working in the lab selects a cable that is wired as shown. Connecting two routers together via their fast ethernet ports. Connecting two switches together at gigabit speeds. Connecting a PC to a switch at Gigabit Ethernet speeds. Greater distances per cable run. 6 How many host address.

Tuesday, May 19, 2009. 1 Excessive broadcasts are generally a symptom of a problem at which layer? Frame Relay at R3 and R2 should be tested to narrow the scope of the problem. An ACL entry error could cause the failure at Layer 4 in either R3 or R2. 3 What is one example of a physical layer problem? 4 Which two components should be taken into consideration when establishing a network baseline? Information about the network design. 6 A technician has been asked to troubles.