Which layer 4 protocol is used for a Telnet connection?
A. IP
B. TCP
C. TCP/IP
D. UDP
How often are BPDUs sent from a layer 2 device?
A. Never
B. Every 2 seconds
C. Every 10 minutes
D. Every 30 seconds
A PC with IP 192.168.1.2 can access internet, and static ARP has been set for that IP address on gateway. When the PC Ethernet card failed, the user change it with a new card and set the same IP for it. What else should be done? [multiple answers]
A. Old static ARP entry on gateway has to be updated for the new card
B. Nothing - it will work as before
C. MAC-address of the new card has to be changed to MAC address of old card
D. Another IP has to be added for Internet access
What protocol is used to find the hardware address of a local device?
A. RARP
B. ARP
C. IP
D. ICMP
To connect your MikroTik router to a wireless access point, you have to:
A. Use the same SSID as on accesspoint
B. Use the same Radio Name
C. Use the same Band (5 GHz, 2.4 GHz, ...)
Which of the following describe the DHCP Discover message?
1.
It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast.
2.
It uses UDP as the Transport layer protocol.
3.
It uses TCP as the Transport layer protocol.
4.
It does not use a layer 2 destination address.
A. 1 only
B. 1 and 2
C. 3 and 4
D. 4 only
How many usable IP addresses are there in a 20bit subnet?
A. 4096
B. 4094
C. 2046
D. 2048
E. 2047
Collisions are possible in fullduplex Ethernet networks
A. true
B. false
If you wish to block user access to MSN messenger, which chain should the firewall rule be placed in?
A. input
B. process
C. forward
D. output
Which command is used to upgrade an IOS on a Cisco router?
A. copy tftp run
B. copy tftp start
C. config net
D. copy tftp flash
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