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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Cartes-fiches
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?
A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The new cabling was installed in the ceiling close to fluorescent lights and electrical equipment. Which two factors may interfere with the copper cabling and result in signal distortion and data corruption? (Choose two.)
What is indicated by the term throughput?
What are two reasons for physical layer protocols to use frame encoding techniques? (Choose two.)
Match the characteristic to the forwarding method. (Not all options are used.)
Fill in the blank.
ARP _________ is a technique that is used to send fake ARP messages to other hosts in the LAN. The aim is to associate IP addresses to the wrong MAC addresses.
spoofing
Fill in the blank.
On a Cisco switch, __________ memory buffering is used to buffer frames in queues linked to specific incoming and outgoing ports.
port-based
Fill in the blank.
A collision fragment, also known as a ______ frame, is a frame of fewer than 64 bytes in length.
RUNT
What are two potential network problems that can result from ARP operation? (Choose two.)
Which statement describes the treatment of ARP requests on the local link?
Refer to the exhibit. The switches are in their default configuration. Host A needs to communicate with host D, but host A does not have the MAC address for its default gateway. Which network hosts will receive the ARP request sent by host A?
Missing False Answer:
- only hosts A, B, and C
Refer to the exhibit. A switch with a default configuration connects four hosts. The ARP table for host A is shown. What happens when host A wants to send an IP packet to host D?
Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC2. In this scenario, what will happen next?
The ARP table in a switch maps which two types of address together?
True or False?
When a device is sending data to another device on a remote network, the Ethernet frame is sent to the MAC address of the default gateway.
What is auto-MDIX?
Which switching method uses the CRC value in a frame?
Refer to the exhibit. The exhibit shows a small switched network and the contents of the MAC address table of the switch. PC1 has sent a frame addressed to PC3. What will the switch do with the frame?
What addressing information is recorded by a switch to build its MAC address table?
Which destination address is used in an ARP request frame?
Which statement is true about MAC addresses?
