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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Flashcards
Which two IPv4 to IPv6 transition techniques manage the interconnection of IPv6 domains? (Choose two.)
Which three IP addresses are private ? (Choose three.)
Missing False Answer:
- 192.167.10.10
What are three characteristics of multicast transmission? (Choose three.)
Missing False Answer:
- Multicast messages map lower layer addresses to upper layer addresses.
A message is sent to all hosts on a remote network. Which type of message is it?
What subnet mask is represented by the slash notation /20?
What is the purpose of the subnet mask in conjunction with an IP address?
What does the IP address 172.17.4.250/24 represent?
Which two parts are components of an IPv4 address? (Choose two.)
Missing False Answer:
- broadcast portion
How many bits are in an IPv4 address?
Refer to the exhibit. Match the network with the correct IP address and prefix that will satisfy the usable host addressing requirements for each network. (Not all options are used.)
Match the subnetwork to a host address that would be included within the subnetwork. (Not all options are used.)
Consider the following range of addresses:
2001:0DB8:BC15:00A0:0000::
2001:0DB8:BC15:00A1:0000::
2001:0DB8:BC15:00A2:0000::
…
2001:0DB8:BC15:00AF:0000::
The prefix-length for the range of addresses is :
/60
What is the prefix for the host address 2001:DB8:BC15:A:12AB::1/64?
Refer to the exhibit. A company is deploying an IPv6 addressing scheme for its network. The company design document indicates that the subnet portion of the IPv6 addresses is used for the new hierarchical network design, with the site subsection to represent multiple geographical sites of the company, the sub-site section to represent multiple campuses at each site, and the subnet section to indicate each network segment separated by routers. With such a scheme, what is the maximum number of subnets achieved per sub-site?
A DHCP server is used to assign IP addresses dynamically to the hosts on a network. The address pool is configured with 192.168.10.0/24. There are 3 printers on this network that need to use reserved static IP addresses from the pool. How many IP addresses in the pool are left to be assigned to other hosts?
Which two reasons generally make DHCP the preferred method of assigning IP addresses to hosts on large networks? (Choose two.)
A network administrator needs to monitor network traffic to and from servers in a data center. Which features of an IP addressing scheme should be applied to these devices?
Refer to the exhibit. Considering the addresses already used and having to remain within the 10.16.10.0/24 network range, which subnet address could be assigned to the network containing 25 hosts?
***Missing Answer: 10.16.10.240/28
Refer to the exhibit.
Given the network address of 192.168.5.0 and a subnet mask of 255.255.255.224, how many total host addresses are unused in the assigned subnets?
A network administrator is variably subnetting a network. The smallest subnet has a mask of 255.255.255.248. How many usable host addresses will this subnet provide?
A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that? (Choose two.)
A network administrator wants to have the same network mask for all networks at a particular small site. The site has the following networks and number of devices:
IP phones 22 addresses
PCs 20 addresses needed
Printers 2 addresses needed
Scanners 2 addresses needed
The network administrator has deemed that 192.168.10.0/24 is to be the network used at this site. Which single subnet mask would make the most efficient use of the available addresses to use for the four subnetworks?
***Missing Answer: 255.255.255.252 ***
How many bits must be borrowed from the host portion of an address to accommodate a router with five connected networks?
How many host addresses are available on the network 172.16.128.0 with a subnet mask of 255.255.252.0?
***Missing Answer: 2048 ***
Which subnet mask would be used if 5 host bits are available?
If a network device has a mask of /28, how many IP addresses are available for hosts on this network?
***Missing Answer: 16 **
Refer to the exhibit. The network administrator has assigned the LAN of LBMISS an address range of 192.168.10.0. This address range has been subnetted using a /29 prefix. In order to accommodate a new building, the technician has decided to use the fifth subnet for configuring the new network (subnet zero is the first subnet). By company policies, the router interface is always assigned the first usable host address and the workgroup server is given the last usable host address. Which configuration should be entered into the properties of the workgroup server to allow connectivity to the Internet?
Refer to the exhibit. A company uses the address block of 128.107.0.0/16 for its network. What subnet mask would provide the maximum number of equal size subnets while providing enough host addresses for each subnet in the exhibit?
What are two reasons a network administrator might want to create subnets? (Choose two.)
Refer to the exhibit. How many broadcast domains are there?
What is a result of connecting two or more switches together?
Refer to the exhibit. Consider a datagram that originates on the PC and that is destined for the web server. Match the IP addresses and port numbers that are in that datagram to the description. (Not all options are used.)
Which three application layer protocols use TCP? (Choose three.)
When is UDP preferred to TCP?
Why does HTTP use TCP as the transport layer protocol?
A host device is receiving live streaming video. How does the device account for video data that is lost during transmission?
What happens if the first packet of a TFTP transfer is lost?
What does a client do when it has UDP datagrams to send?
What is a characteristic of UDP?
What does TCP do if the sending source detects network congestion on the path to the destination?
