CISCO 1 FINAL EXAM OPTION C
What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device? timing and synchronization destination and source port numbers destination and source physical addresses destination and source logical network addresses
destination and source port numbers
Which type of UTP cable is used to connect a PC to a switch port? console rollover crossover straight-through
straight-through
Which two protocols operate at the highest layer of the TCP/IP protocol stack? (Choose two.) DNS Ethernet IP POP TCP UDP
DNS POP
What are two examples of the cut-through switching method? (Choose two.) store-and-forward switching fast-forward switching CRC switching fragment-free switching QOS switching
fragment-free switching fast-forward switching
What is the purpose of having a converged network? to provide high speed connectivity to all end devices to make sure that all types of data packets will be treated equally to achieve fault tolerance and high availability of data network infrastructure devices to reduce the cost of deploying and maintaining the communication infrastructure
to reduce the cost of deploying and maintaining the communication infrastructure
A user is unable to reach the web site when typing http://www.cisco.com in a web browser, but can reach the same site by typing http://72.163.4.161. What is the issue? default gateway DHCP DNS TCP/IP protocol stack
DNS
What are two benefits of using a layered network model? (Choose two.) It assists in protocol design. It speeds up packet delivery. It prevents designers from creating their own model. It prevents technology in one layer from affecting other layers. It ensures a device at one layer can function at the next higher layer.
It assists in protocol design It prevents technology in one layer from affecting other layers.
What are three characteristics of an SVI? (Choose three.) It is designed as a security protocol to protect switch ports. It is not associated with any physical interface on a switch. It is a special interface that allows connectivity by different types of media. It is required to allow connectivity by any device at any location. It provides a means to remotely manage a switch. It is associated with VLAN1 by default.
It is not associated with any physical interface on a switch. It provides a means to remotely manage a switch. It is associated with VLAN1 by default.
After several configuration changes are made to a router, the copy running-configuration startup-configuration command is issued. Where will the changes be stored? flash ROM NVRAM RAM the configuration register a TFTP server
NVRAM
Which connection provides a secure CLI session with encryption to a Cisco switch? a console connection an AUX connection a Telnet connection an SSH connection
SSH connection
What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server? TCP IP HTTP Ethernet
TCP
Which three statements characterize UDP? (Choose three.) UDP provides basic connectionless transport layer functions. UDP provides connection-oriented, fast transport of data at Layer 3. UDP relies on application layer protocols for error detection UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms. UDP relies on IP for error detection and recovery. UDP provides sophisticated flow control mechanisms
UDP provides basic connectionless transport layer functions. UDP relies on application layer protocols for error detection UDP is a low overhead protocol that does not provide sequencing or flow control mechanisms
Which two roles can a computer assume in a peer-to-peer network where a file is being shared between two computers? (Choose two.) client master server slave transient
client server
A medium-sized business is researching available options for connecting to the Internet. The company is looking for a high speed option with dedicated, symmetric access. Which connection type should the company choose? DSL dialup satellite leased line cable modem
leased line
When planning for network growth, where in the network should packet captures take place to assess network traffic? on as many different network segments as possible only at the edge of the network between hosts and the default gateway only on the busiest network segment
on as many different network segments as possible
What are two services provided by the OSI network layer? (Choose two.) performing error detection routing packets toward the destination encapsulating PDUs from the transport layer placement of frames on the media collision detection
routing packets toward the destination encapsulating PDUs from the transport layer
What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users? reliability scalability quality of service accessibility
scalability
What is the process of dividing a data stream into smaller pieces before transmission? segmentation encapsulation encoding flow control
segmentation
What is the TCP mechanism used in congestion avoidance? three-way handshake socket pair two-way handshake sliding window
sliding window
When IPv4 addressing is manually configured on a web server, which property of the IPv4 configuration identifies the network and host portion for an IPv4 address? DNS server address subnet mask default gateway DHCP server address
subnet mask
A technician configures a switch with these commands: SwitchA(config)# interface vlan 1 SwitchA(config-if)# ip address 192.168.1.1 255.255.255.0 SwitchA(config-if)# no shutdown What is the technician configuring? Telnet access SVI password encryption physical switchport access
svi
Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask? to identify the broadcast address of the destination network to identify the host address of the destination host to identify faulty frames to identify the network address of the destination network
to identify the network address of the destination network
What is a characteristic of the LLC sublayer? It provides the logical addressing required that identifies the device. It provides delimitation of data according to the physical signaling requirements of the medium. It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media. It defines software processes that provide services to the physical layer.
It places information in the frame allowing multiple Layer 3 protocols to use the same network interface and media.
What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address? It will discard the frame. It will forward the frame to the next host. It will remove the frame from the media. It will strip off the data-link frame to check the destination IP address.
It will discard the frame.
Which two tasks are functions of the presentation layer? (Choose two.) compression addressing encryption session control authentication
compression encryption
What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.) error correction through a collision detection method session control using port numbers data link layer addressing placement and removal of frames from the media detection of errors through CRC calculations delimiting groups of bits into frames conversion of bits into data signals
data link layer addressing detection of errors through CRC calculations delimiting groups of bits into frames
A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized? presentation layer network layer physical layer data link layer
physical layer
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
source and destination IP address
What source IP address does a router use by default when the traceroute command is issued? the highest configured IP address on the router a loopback IP address the IP address of the outbound interface the lowest configured IP address on the router
the IP address of the outbound interface
A network engineer is measuring the transfer of bits across the company backbone for a mission critical database application. The engineer notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.) the amount of traffic that is currently crossing the network the sophistication of the encapsulation method applied to the data the type of traffic that is crossing the network the latency that is created by the number of network devices that the data is crossing the bandwidth of the WAN connection to the Internet the reliability of the gigabit Ethernet infrastructure of the backbone
the amount of traffic that is currently crossing the network the type of traffic that is crossing the network the latency that is created by the number of network devices that the data is crossing
In computer communication, what is the purpose of message encoding? to convert information to the appropriate form for transmission to interpret information to break large messages into smaller frames to negotiate correct timing for successful communication
to convert information to the appropriate form for transmission
What is the function of the HTTP GET message? to request an HTML page from a web server to send error information from a web server to a web client to upload content to a web server from a web client to retrieve client email from an email server using TCP port 11
to request an HTML page from a web server
What are two functions of NVRAM? (Choose two.) to store the routing table to retain contents when power is removed to store the startup configuration file to contain the running configuration file to store the ARP table
to retain contents when power is removed to store the startup configuration file
What are two actions performed by a Cisco switch? (Choose two.) building a routing table that is based on the first IP address in the frame header using the source MAC addresses of frames to build and maintain a MAC address table forwarding frames with unknown destination IP addresses to the default gateway utilizing the MAC address table to forward frames via the destination MAC address* examining the destination MAC address to add new entries to the MAC address table
using the source MAC addresses of frames to build and maintain a MAC address table utilizing the MAC address table to forward frames via the destination MAC address
In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.) when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated when a faster delivery mechanism is needed when delivery overhead is not an issue when applications do not need to guarantee delivery of the data when destination port numbers are dynamic
when a faster delivery mechanism is needed when applications do not need to guarantee delivery of the data
