CCNA 1 Final part 1
SSH
A client packet is received by a server. The packet has a destination port number of 22. What service is the client requesting?
a user who is trying to guess a password to access the 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?
Extended Star
A network team is comparing topologies for connecting on a shared media. Which physical topology is an example of a hybrid topology for a LAN?
The configuration file is missing from NVRAM.
A router boots and enters setup mode. What is the reason for this?
Add a connection to the Internet via a DSL line to another ISP.
A small advertising company has a web server that provides critical business service. The company connects to the Internet through a leased line service to an ISP. Which approach best provides cost effective redundancy for the Internet connection?
R1(config)# service password-encryption R1> enable R1# copy running-config startup-config R!(config-line)# login R!(config-if)# ip address 192.168.4.4 255.255.255.0
Match the command with the device mode at which the command is entered. (Not all options are used.)
This type of copper media is used in industrial or similar environments where there is a lot of interference.------> STP This type of media provides the most mobility options-----> wireless This type of media is used for high transmission speed and can also transfer data over long distances------optical fiber Traditionally used for television but can now be used in a network to connect the customer location to the wiring of the customer premises------coaxial
Match the description with the media. (Not all options are used.)
Users interact with the operating system by typing commands----CLI enables the user to interact with the operating system by pointing and clicking----GUI The part of the OS that interacts directly with the device hardware----Kernel the part of the operating system that interfaces with applications and the user---->shell
Match the descriptions to the terms. (Not all options are used.)
show running-config
Only employees connected to IPv6 interfaces are having difficulty connecting to remote networks. The analyst wants to verify that IPv6 routing has been enabled. What is the best command to use to accomplish the task?
192.168.235.234
Refer to the exhibit. A network administrator is connecting a new host to the Registrar LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host?
The administrator must first enter privileged EXEC mode before issuing the command.
Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
RT1 will send an ARP reply with its own Fa0/0 MAC address.
Refer to the exhibit. PC1 issues an ARP request because it needs to send a packet to PC3. In this scenario, what will happen next?
the amount of data that can be sent before an acknowledgment is required
Refer to the exhibit. What does the value of the window size specify?
128 kb/s
Refer to the exhibit. What is the maximum possible throughput between the PC and the server?
DoS
The employees and residents of Ciscoville cannot access the Internet or any remote web-based services. IT workers quickly determine that the city firewall is being flooded with so much traffic that a breakdown of connectivity to the Internet is occurring. Which type of attack is being launched at Ciscoville?
well-known
To which TCP port group does the port 414 belong?
Packets can be relayed with errors when fast-forward switching is used.
Two network engineers are discussing the methods used to forward frames through a switch. What is an important concept related to the cut-through method of switching?
peer-to-peer
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?
throughput
What OSI physical layer term describes the measure of the transfer of bits across a medium over a given period of time?
Use antivirus software. Keep software up to date
What are two ways to protect a computer from malware? (Choose two.)
The switch drops the frame.
What happens when a switch receives a frame and the calculated CRC value is different than the value that is in the FCS field?
An SVI is created in software and requires a configured IP address and a subnet mask in order to provide remote access to the switch.
What is a characteristic of a switch virtual interface (SVI)?
if there is connectivity with the destination device
What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?
Retrieves email from the server by downloading the email to the local mail application of the client.
What service is provided by POP3?
1)enables IPv4 and IPv6 to utilize the same physical medium 2)places information in the Ethernet frame that identifies which network layer protocol is being encapsulated by the frame 3)handles communication between upper layer networking software and Ethernet NIC hardware 4)adds Ethernet control information to network protocol data
Which four functions are performed at the LLC sublayer of the OSI Data Link Layer to facilitate Ethernet communication? (Choose two.)
A packet-filtering firewall typically can filter up to the transport layer, whereas a stateful firewall can filter up to the session layer.
Which statement describes the characteristics of packet-filtering and stateful firewalls as they relate to the OSI model?
LLC and MAC
Which two acronyms represent the data link sublayers that Ethernet relies upon to operate? (Choose two.)
nslookup cisco.com ping cisco.com
Which two commands could be used to check if DNS name resolution is working properly on a Windows PC? (Choose two.)
half-duplex operations a malfunctioning NIC
Which two issues can cause both runts and giants in Ethernet networks? (Choose two.)
Fiber-optic cabling does not conduct electricity. Fiber-optic cabling is primarily used as backbone cabling.
Which two statements describe the characteristics of fiber-optic cabling? (Choose two.)
