ITS 1 - LEARN 4 - 11
Übung für Klausur
Übung für Klausur
A network administrator for a small campus network has issued the show ip interface brief command on a switch. What is the administrator verifying with this command?
Which statement is true about CDP on a Cisco device?
Refer to the exhibit. An administrator is trying to troubleshoot connectivity between PC1 and PC2 and uses the tracert command from PC1 to do it. Based on the displayed output, where should the administrator begin troubleshooting?
When should an administrator establish a network baseline?
Refer to the exhibit. Baseline documentation for a small company had ping round trip time statistics of 36/97/132 between hosts H1 and H3. Today the network administrator checked connectivity by pinging between hosts H1 and H3 that resulted in a round trip time of 1458/2390/6066. What does this indicate to the network administrator?
Which command will backup the configuration that is stored in NVRAM to a TFTP server?
What is the purpose of issuing the commands cd nvram: then dir at the privilege exec mode of a router?
Which two steps are required before SSH can be enabled on a Cisco router? (Choose two.)
What is the purpose of using SSH to connect to a router?
A network administrator is issuing the login block-for 180 attempts 2 within 30 command on a router. Which threat is the network administrator trying to prevent?
What is the purpose of the network security authentication function?
Which firewall feature is used to ensure that packets coming into a network are legitimate responses initiated from internal hosts?
Which two actions can be taken to prevent a successful network attack on an email server account? (Choose two.)
Which type of network threat is intended to prevent authorized users from accessing resources?
Some routers and switches in a wiring closet malfunctioned after an air conditioning unit failed. What type of threat does this situation describe?
Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer? (Choose two.)
A network administrator for a small company is contemplating how to scale the network over the next three years to accommodate projected growth. Which three types of information should be used to plan for network growth? (Choose three.)
Missing Answer:
- listing of the current employees and their role in the company
Which two traffic types require delay sensitive delivery? (Choose two.)
Which network design consideration would be more important to a large corporation than to a small business?
A newly hired network technician is given the task of ordering new hardware for a small business with a large growth forecast. Which primary factor should the technician be concerned with when choosing the new devices?
Match the characteristics to the correct type of fiber. (Not all options are used.)
Fill in the blank.
What acronym is used to reference the data link sublayer that identifies the network layer protocol encapsulated in the frame? _____
LLC
Fill in the blank.
The term __________ indicates the capacity of a medium to carry data and it is typically measured in kilobits per second (kb/s) or megabits per second (Mb/s).
bandwidth
What is the function of the CRC value that is found in the FCS field of a frame?
As data travels on the media in a stream of 1s and 0s how does a receiving node identify the beginning and end of a frame?
What is contained in the trailer of a data-link frame?
Refer to the exhibit. Which statement describes the media access control methods that are used by the networks in the exhibit?
Which statement describes an extended star topology?
Which method of data transfer allows information to be sent and received at the same time?
What is true concerning physical and logical topologies?
What are two services performed by the data link layer of the OSI model? (Choose two.)
Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media?
A network administrator is designing the layout of a new wireless network. Which three areas of concern should be accounted for when building a wireless network? (Choose three.)
False Answer Missing:
- packet collision
Why are two strands of fiber used for a single fiber optic connection?
What is one advantage of using fiber optic cabling rather than copper cabling?
Which type of connector does a network interface card use?
Refer to the exhibit. What is wrong with the displayed termination?
Refer to the exhibit. The PC is connected to the console port of the switch. All the other connections are made through FastEthernet links. Which types of UTP cables can be used to connect the devices?​
What technique is used with UTP cable to help protect against signal interference from crosstalk?
Which characteristic describes crosstalk?
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Lernkarten
What information is used by TCP to reassemble and reorder received segments?
During a TCP session, a destination device sends an acknowledgment number to the source device. What does the acknowledgment number represent?
Which factor determines TCP window size?
A PC is downloading a large file from a server. The TCP window is 1000 bytes. The server is sending the file using 100-byte segments. How many segments will the server send before it requires an acknowledgment from the PC?
Which two flags in the TCP header are used in a TCP three-way handshake to establish connectivity between two network devices? (Choose two.)
What is a characteristic of a TCP server process?
Which flag in the TCP header is used in response to a received FIN in order to terminate connectivity between two network devices?
What is the complete range of TCP and UDP well-known ports?
What is a socket?
What type of information is included in the transport header?
What kind of port must be requested from IANA in order to be used with a specific application?
A host device needs to send a large video file across the network while providing data communication to other users. Which feature will allow different communication streams to occur at the same time, without having a single data stream using all available bandwidth?
What happens if part of an FTP message is not delivered to the destination?
Which two characteristics are associated with UDP sessions? (Choose two.)
Match the function to the name of the application. (Not all options are used.)
Match a statement to the related network model. (Not all options are used.)
Fill in the blank.
Refer to the exhibit. What command was used to resolve a given host name by querying the name servers?
NSLOOKUP
Fill in the blank.
The HTTP message type used by the client to request data from the web server is the _____ message.
GET
Fill in the blank.
What is the acronym for the protocol that is used when securely communicating with a web server?
HTTPS
Which application layer protocol is used to provide file-sharing and print services to Microsoft applications?
What is true about the Server Message Block protocol?
Which statement is true about FTP?
Which phrase describes an FTP daemon?
Which two tasks can be performed by a local DNS server? (Choose two.)
What part of the URL, http://www.cisco.com/index.html, represents the top-level DNS domain?
Which three statements describe a DHCP Discover message? (Choose three.)
***Missing Answer:
- Only the DHCP server receives the message.
When retrieving email messages, which protocol allows for easy, centralized storage and backup of emails that would be desirable for a small- to medium-sized business?
Which application layer protocol uses message types such as GET, PUT, and POST?
What is an advantage for small organizations of adopting IMAP instead of POP?
What do the client/server and peer-to-peer network models have in common?
Two students are working on a network design project. One student is doing the drawing, while the other student is writing the proposal. The drawing is finished and the student wants to share the folder that contains the drawing so that the other student can access the file and copy it to a USB drive. Which networking model is being used?
What is an example of network communication that uses the client-server model?
A manufacturing company subscribes to certain hosted services from its ISP. The services that are required include hosted world wide web, file transfer, and e-mail. Which protocols represent these three key applications? (Choose three.)
***Missing Answer: DHCP
What are two characteristics of the application layer of the TCP/IP model? (Choose two.)
Which layer in the TCP/IP model is used for formatting, compressing, and encrypting data?
The application layer of the TCP/IP model performs the functions of what three layers of the OSI model? (Choose three.)
***Missing Answer:
- network
- transport
Which two definitions accurately describe the associated application layer protocol? (Choose two.)
Match the type of information security threat to the scenario. (Not all options are used.)
TRUE
Fill in the blank. Do not use abbreviations.
The ___________ command that is issued on a router is used to verify the value of the software configuration register.
show version
Fill in the blank. Do not use abbreviations.
The show ____________ command provides information about the amount of free nvram and flash memory with the permissions for reading or writing data.
file systems
