Download Cisco Red Hat Final Exam 2025-2026 Questions And Correct Complete Answers 100% Solved. and more Exams Computer Communication Systems in PDF only on Docsity!
Cisco Red Hat Final Exam 2025- 2026
Questions And Correct Complete Answers
100% Solved.
What is the correct order for PDU encapsulation?
Frame Header-Network Header-Transport Header-Data-Frame Trailler
A PC is configured to obtain an IP address automatically from network 192.168.1.0/24. The network administrator issues the arp - a command and notices an entry of 192.168.1.255 ff-ff-ff-ff-ff-ff. Which statement describes this entry?
This is a static map entry
Which two notations are useable nibble boundaries when subnetting in IPv6?
*/
*/
What will a Layer 2 switch do when the destination MAC address of a received frame is not in the MAC table?
It forwards the frame out of all ports except for the port at which the frame was received.
Which two statements correctly describe a router memory type and its contents?
*RAM is volatile and stores the IP routing table.
*ROM is nonvolatile and contains basic diagnostic software.
What is the auto-MDIX feature on a switch?
the automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection
What is the purpose of the routing process?
to select the paths that are used to direct traffic to destination networks
What is the purpose of ICMP messages?
to provide feedback of IP packet transmissions
Open the PT activity. Perform the tasks in the activity instructions and then fill in the blank.
The Server0 message is
Winner
Refer to the exhibit. Which IP addressing scheme should be changed?
Site 2
The asterisk designates which file system is the default file system.
When applied to a router, which command would help mitigate brute-force password attacks against the router?
login block-for 60 attempts 5 within 60
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?
*192.168.1.64/
*192.168.1.96/
Which field in an IPv4 packet header will typically stay the same during its transmission?
Destination Address
Refer to the exhibit.
The network administrator enters these commands into the R1 router: R1# copy running-config tftp
Address or name of remote host [ ]?
When the router prompts for an address or remote host name, what IP address should the administrator enter at the prompt?
192.168.11.
What is the effect of configuring the ipv6 unicast-routing command on a router
to enable the router as an IPv6 router
Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address?
It is the IP address of the Router1 interface that connects the PC1 LAN to Router1.
Which procedure is used to reduce the effect of crosstalk in copper cables?
twisting opposing circuit wire pairs together
What happens when part of an Internet radio transmission is not delivered to the destination?
The transmission continues without the missing portion.
Which address on a PC does not change, even if the PC is moved to a different network?
MAC address
Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an
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 type of traffic that is crossing the network
*number of network devices that the data is crossing
A host PC has just booted and is attempting to lease an address through DHCP. Which two messages will the client typically broadcast on the network? (Choose two.)
*DHCPREQUEST
*DHCPDISCOVER
A host PC has just booted and is attempting to lease an address through DHCP. Which message will the client broadcast first on the network?
DHCPDISCOVER
What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.)
*data link layer addressing
*detection of errors through CRC calculations
*delimiting groups of bits into frames
Refer to the exhibit. An administrator wants to change the name of a brand new switch, using the hostname command as shown (Switch(config)# hostname My Switch). What prompt will display after the command is issued?
Switch(config)#
Which type of wireless security generates dynamic encryption keys each time a client associates with an AP?
WPA
A particular website does not appear to be responding on a Windows 7 computer. What command could the technician use to show any cached DNS entries for this web page?
ipconfig /displaydns
What is an important function of the physical layer of the OSI model? (Chaptr 4 exam)
It encodes frames into electrical, optical, or radio wave signals.
Match the phases to their correct stage in the router setup process. (Not all options are used.)
Stage 1 - perform the post
Stage 2 - load the bootstrap program
Stage 3 - Locate and load the Cisco IOS
Stage 4 - locate and load the configuration file
FF02::2 and FF02::1:FF3A:25C
Global Unicast
2DD1:D88:10::12 and 2001:DB8:A1:0B:C78::
What is a characteristic of the LLC sublayer?.
It places information in the frame that allows multiple Layer 3 protocols to use the same network interface and media.
On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
VLAN 1
During data communications, a host may need to send a single message to a specific group of destination hosts simultaneously. This message is in the form of a _____ message
multicast
Which function is provided by TCP?
detection of missing packets
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Which IPv6 address is assigned to the Serial0/0/0 interface on RT2?
2001:db8:abc:5::
A host is accessing a Web server on a remote network. Which three functions are performed by intermediary network devices during this conversation? (Choose three.)
*regenerating data signals
*providing a channel over which messages travel
*notifying other devices when errors occur
In which default order will a router search for startup configuration information?
NVRAM, TFTP, setup mode
What two preconfigured settings that affect security are found on most new wireless routers? (Choose two.)
*broadcast SSID
*Default administrator password
What will happen if the default gateway address is incorrectly configured on a host?
The host cannot communicate with hosts in other networks.
RAM
Which two components are necessary for a wireless client to be installed on a WLAN? (Choose two.)
*wireless NIC
*wireless client software
A technician uses the ping 127.0.0.1 command. What is the technician testing?
the TCP/IP stack on a network host
Which technology provides a solution to IPv4 address depletion by allowing multiple devices to share one public IP address?
NAT
A frame is transmitted from one networking device to another. Why does the receiving device check the FCS field in the frame?
to check the frame for possible transmission errors
What method is used to manage contention-based access on a wireless network?
CSMA/CA
Which three statements characterize the transport layer protocols? (Choose three.)
*TCP and UDP port numbers are used by application layer protocols.
*TCP uses windowing and sequencing to provide reliable transfer of data
*TCP is a connection-oriented protocol. UDP is a connection less protocol
Copper cables
horizontal cabling structure, desktop PCs in an enterprise office
Fiber optic
backbone cabling in an enterprise, long-haul networks
Wireless
*guest access in a coffee shop
*waiting rooms in a hospital
A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
DSL
