A. ip route 209.165.201.0 255.255.255.224 209.165.202.130
B. ip route 0.0.0.0 0.0.0.0 209.165.200.224
C. ip route 209.165.200.224 255.255.255.224 209.165.202.129 254
D. ip route 0.0.0.0 0.0.0.0 209.165.202.131
Correct Answer: C
ccna quizlet.Chapter 4 Bridges and Switches 67transfer data is unlikely. However, if there are 100 devices on the cable, there may be many devices that need to send data at the same time. When these devices listen for the cable to be idle and send data at the same time, a conflict will occur. Given how CSMA/CD works, these devices need to generate congestion signals and wait for a random period of time before sending again. Obviously, the more devices there are, the greater the likelihood that multiple devices will choose the same random time and thus conflict again, which will greatly extend the time it takes for a device to gain access to the medium. In addition, high-performance PCs, network applications, and high-bandwidth applications (such as video) can lead to more intense media contention.A hub does not solve the contention problem because it replicates physical layer signals. In other words, a hub does not giveadditional bandwidth to the devices it connects, it can only extend the length of the cable as well as forward/amplify the physical layer signals.The conflict domain contains all devices that share media at OSI Reference Model Layer 1, such as all devices connected to the same 10Base5 or 10Base2 cable or hub. All devices within the conflict domain are affected by the conflict. The more devices in a network segment, the more likely the conflict will cause bandwidth problems for those devices. This is not to say that conflict is a bad thing; it is simply one of the mechanisms to ensure proper Ethernet operation.Authentication LI Standard 4.024.2 Conflict Problem SolutionTo solve the conflict and bandwidth problems, a bridge was initially used. Each port of the bridge is a separate conflict domain. After a frame is received on a port, the bridge checks its checksum sequence (FCS) field and, if the FCS is correct, forwards the frame to the port going to the destination. As stated in Chapter 3, the FCS is a checksum that allows the destination device to check whether the Ethernet frame is corrupted.The bridge creates the illusion that all the physical network segments it connects to form a large logical segment, and all the devices in that logical segment are located in the same broadcast domain-this is logical because the bridge floods the broadcast. Note that if you experience a broadcast storm problem, using a bridge does not solve it.Hubs run at the physical layer, switches and bridges run at the data link layer, and routers and NICs run at the network layer (or higher). Switches deal with MAC (hardware) addresses, while routers deal with network (logical) addresses.
A. ip route 209.165.201.0 255.255.255.224 209.165.202.130
B. ip route 0.0.0.0 0.0.0.0 209.165.200.224
C. ip route 209.165.200.224 255.255.255.224 209.165.202.129 254
D. ip route 0.0.0.0 0.0.0.0 209.165.202.131
Correct Answer: C
A. to analyze traffic and drop unauthorized traffic from the Internet
B. to transmit wireless traffic between hosts
C. to pass traffic between different networks
D. forward traffic within the same broadcast domain
Correct Answer: C
A. switchport mode trunk
B. switchport mode dynamic desirable
C. switchport mode dynamic auto
D. switchport nonegotiate
Correct Answer: B
A. transfers a backup configuration file from a server to a switch using a username and password
B. transfers files between file systems on a router
C. transfers a configuration files from a server to a router on a congested link
D. transfers IOS images from a server to a router for firmware upgrades
Correct Answer: D
A. different nonoverlapping channels
B. different overlapping channels
C. one overlapping channel
D. one nonoverlapping channel
Correct Answer: D
Exam Code: 200-301
Exam Duration: 120 minutes
Exam Topics:
Latest Update: 11.19,2024
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