Nauka
neverminder
Wyświetlane są wszystkie pytania.
Pytanie 65
A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?
ipconfig
netstat
nslookup
tracert
Pytanie 66
Which domain name would be an example of a top-level domain?
.com
cisco.com
Pytanie 67
A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?
The configuration is held by the server to be reissued when the PC is returned.
The configuration is permanent and nothing changes.
The address is returned to the pool for reuse when the lease expires.
Pytanie 68
When planning for network growth, where in the network should packet captures take place to assess network traffic?
between hosts and the default gateway
on as many different network segments as possible
only on the busiest network segment
Pytanie 69
A wireless host needs to request an IP address. What protocol would be used to process the request?
DHCP
ICMP
HTTP
FTP
Pytanie 70
Which example of malicious code would be classified as a Trojan horse?
malware that was written to look like a video game
malware that attaches itself to a legitimate program and spreads to other programs when launched
Pytanie 71
When applied to a router, which command would help mitigate brute-force password attacks against the router?
exec-timeout 30
service password-encryption
banner motd $Max failed logins = 5$
login block-for 60 attempts 5 within 60*
Pytanie 72
A network technician suspects that a particular network connection between two Cisco switches is having a duplex mismatch. Which command would the technician use to see the Layer 1 and Layer 2 details of a switch port?
show mac-address-table
show ip interface brief
show interfaces