Which OSI layer performs code conversion, code formatting and
encryption?
A.) Physical
B.) Data-Link
C.) Application
D.) Transport
E.) Presentation
F.) Network
Answer / guest
Answer: E
Layer 6 the Presentation layers performs this function.
| Is This Answer Correct ? | 15 Yes | 1 No |
Which layer allows multiple Ethernet devices to uniquely identify one another on the Datalink layer? A.) Transport B.) Session C.) Network D.) Datalink - MAC Sublayer E.) Datalink - LLC Sublayer
Which protocol supenetting is enable by default?
Which addresses are valid host addresses? A. 201.222.5.17 B. 201.222.5.18 C. 201.222.5.16 D. 201.222.5.19 E. 201.222.5.31
Which EXEC command displays system hardwarde configuration information software version and the names and sources of configuration files and boot images on a router? A. show boot B. show flash C. show config D. show version
You have a Class B network address divided into 30 subnets. You will add 25 new subnets within the next year. You need 600 host IDs for each subnet. Which subnet mask should you use? A.) 255.254.0.0 B.) 255.192.0.0 C.) 255.255.252.0 D.) 255.255.248 0
What is a characteristic of Store and Forward switches? A.) They forward the frame before it is completely read. B.) They work at wire speed. C.) They are the same a Cut-Through switching. D.) They read the entire frame and check CRC before forwarding. E.) They decrease latency.
what is firwall and how to work right now my company having a cisco firwall ASA 5505.So please how to block some site on that which form user not able to access site and basic firwall config and why are we using firwall please jittendra explain it.can u send me doc of firwall in my gmail id - dsoni89@gmail.com
The administrator of a comapny needs to ensure that a web server in their network is accessible from the Internet. Since the network uses private addressing, this requires an IP-to-registered-address mapping. The following command is entered on the router: router(config)# ip nat inside source static 192.168.2.1 198.18.1.254 After unsuccessful results from a ping to the Internet, the administrator issues the show ip nat translations command and the output is blank. What could be the problem with the NAT configuration for this mapping? A. The keyword overload is missing from the command. B. The administrator needs to define a NAT pool first. C. An access list must be defined to create static NAT translations. D. The interfaces need to be configured for NAT.
take a pen and copy before solving that question there is a router name Ra there is two switch sw1 and sw2 sw1 is coneceted through fa0/1 interface of router Ra sw2 is conected through the fa1/1 serai interface of router s0/1 conected through the isp with it ip address 192.168.1.1 now therer are three host conexted through the sw1 and having ip host1=10.1.2.1 host2=10.1.2.2 host3=10.1.2.3 now there is also 3ree host conected through switch 2 i.e sw2 having ip host4=10.1.1.1 host 5=10.1.1.2 host 6=10.1.1.3 now i think u have made corect confrigation.now questios is started network admin configure the Ra router in that fassion Ra(config)#access-list 2 permit 10.1.1.0 0.0.0.255 Ra(config)#line vty 0 4 ra(config)#access-class 2 in now question is that why should network admnistratoe do it in this maneer A to give access sw1 host to acess internet B to prevent sw1 host from acessing comand promt c to prevent sw2 host from accessing console of router ra D to give sw2 host access to the enternet e prevent sw1 host from accessing internet f to prevent sw1 host from acessing the sw2 host network isp------(s0/1)..RA..(fa1/1)---SW2-host (4,5,6) | | (sw1)------host 1,2,3 this is not exect digarm but help to derive the diagram plz answer as soon as possible
Identify the command to copy a configuration file from a TFTP server to a routers active configuration? A.) Router# copy running-config tftp B.) Router# copy tftp running-config C.) Router# copy tftp 172.16.0.1 running-config D.) Router(config)# copy tftp running-config
Which command will show you if you have a DTE or DCE cable connected to an interface?
What is the command to copy the IOS image to a TFTP server? A.) copy flash tftp B.) copy running-config tftp C.) copy ios tftp D.) copy startup-config tftp