BHIM ISLAND

1. Which type of cable run is most often associated with fiber-optic cable? backbone cable horizontal cable patch cable work area cable 2. In most business LANs, which connector is used with twisted-pair networking cable? BNC RJ-11 RJ-45 Type F 3. When is a straight-through cable used in a network? when connecting a router through the console port when connecting one switch to another switch when connecting a host to a switch when connecting a router to another router 4. With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs? the magnetic field around the adjacent pairs of wire the use of braided wire to shield the adjacent wire pairs the reflection of the electrical wave back from the far end of the cable the collision caused by two nodes trying to use the media simultaneously 5. Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communicat...

1 . Which options are properties of contention-based media access for a shared media? (Choose three.) non-deterministic less overhead one station transmits at a time collisions exist devices must wait their turn token passing 2 . What is a primary purpose of encapsulating packets into frames? provide routes across the internetwork format the data for presentation to the user facilitate the entry and exit of data on media identify the services to which transported data is associated 3 . Refer to the exhibit. How many unique CRC calculations will take place as traffic routes from the PC to the laptop? 1 2 4 8 16 4 . What is true concerning physical and logical topologies? The logical topology is always the same as the physical topology. Physical topologies are concerned with how a network transfers frames. Physical signal paths are defined by Data Link layer protocols. Logical topologies consist of virtual connections between nodes. 5 . Refer t...

1 . Given the IP address and subnet mask of 172.16.134.64 255.255.255.224, which of the following would describe this address? This is a useable host address. This is a broadcast address. This is a network address. This is not a valid address. 2 . What subnet mask would a network administrator assign to a network address of 172.30.1.0 if it were possible to have up to 254 hosts? 255.255.0.0 255.255.255.0 255.255.254.0 255.255.248.0 3 . Which of the following network devices are recommended to be assigned static IP addresses? (Choose three.) LAN workstations servers network printers routers remote workstations laptops 4 . What two things will happen if a router receives an ICMP packet which has a TTL value of 1 and the destination host is several hops away? (Choose two.) The router will discard the packet. The router will decrement the TTL value and forward the packet to the next router on the path to the destination hos...

1 . 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 2 . What information is added during encapsulation at OSI Layer 3? source and destination MAC source and destination application protocol source and destination port number source and destination IP address 3 . In a connectionless system, which of the following is correct?  The destination is contacted before a packet is sent. The destination is not contacted before a packet is sent. The destination sends an acknowledgement to the source that indicates the packet was received. The destination sends an acknowledgement to the source that requests the next packet to be sent. 4 . Which IP packet field will prevent endless loops? type-of-service identification flags time-to-live header checksum 5 . Which portion of the netwo...

1 . ccna 1 chapter 4 answers 100% 2011 Refer to the exhibit. What two pieces of information can be determined from the output that is shown? (Choose two.) The local host is using three client sessions. The local host is using web sessions to a remote server. The local host is listening for TCP connections using public addresses. The local host is using well-known port numbers to identify the source ports. The local host is performing the three-way handshake with 192.168.1.101:1037. 2 . After a web browser makes a request to a web server that is listening to the standard port, what will be the source port number in the TCP header of the response from the server? 13 53 80 1024 1728 3 . Which information is found in both the TCP and UDP header information? sequencing flow control acknowledgments source and destination 4 . Which is an important characteristic of UDP? acknowledgement of data delivery minimal delays in data delivery high reliability of ...

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