Cisco, CCNA exam answer and tips: Network Fundamentals

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Showing posts with label Network Fundamentals. Show all posts

CCNA Exploration 1: Network Fundamentals – Final exam (it's 85% common)

6:57 AM

Cisco, CCNA Exam and Answer

01. When connectionless protocols are implemented at the lower layers of the OSI model, what is usually used to acknowledge that the data was received and to request the retransmission of missing data?

IP
UDP
Ethernet
a connectionless acknowledgement
an upper-layer, connection-oriented protocol or service

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5:35 AM

Cisco, CCNA Exam and Answer

01. Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)

show flash
show NVRAM
show startup-config
show running-config
show version

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6:57 AM

Cisco, CCNA Exam and Answer

Refer to the exhibit. A student working in the lab selects a cable that is wired as shown. Which connection types can successfully be made with this cable? (Choose two.)

connecting a PC to a router’s console port
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
connecting two devices with the same interface type at Fast Ethernet speeds

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6:43 AM

Cisco, CCNA Exam and Answer

01. Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.

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7:07 PM

Cisco, CCNA Exam and Answer

01. Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?

Presentation
Transport
Data Link
Physical

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6:56 PM

Cisco, CCNA Exam and Answer

01. Which three factors should be considered when implementing a Layer 2 protocol in a network? (Choose three.)

the Layer 3 protocol selected
the geographic scope of the network
the PDU defined by the transport layer
the physical layer implementation
the number of hosts to be interconnected

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6:43 PM

Cisco, CCNA Exam and Answer

01.

Refer to the exhibit. Which network prefix will implement the IP addressing scheme for the LANs shown in the graphic?

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7:52 PM

Cisco, CCNA Exam and Answer

01. In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?

destination network address
source network address
source MAC address
well known port destination address

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7:28 PM

Cisco, CCNA Exam and Answer

01.

Based on the transport layer header shown in the diagram, which of the following statements describe the established session? (Choose two.)

This is a UDP header.
This contains a Telnet request.
This contains a TFTP data transfer.
The return packet from this remote host will have an Acknowledgement Number of 43693.
This is a TCP header.

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