Day 17 Back to Exams Page 1. If you want to permit your router to find a DNS server on the web, then use the command ______, or the relevant IP address of the server.ip name 1.1.1.1ip address server 1.1.1.1ip dns server 1.1.1.1ip name-server 1.1.1.1Question 1 of 18 2. DNS mapsIP addresses to host nameshost names to IP addressesIP addresses to MAC addressesMAC addresses to IP addressesQuestion 2 of 18 3. Which command will reveal if the interface is set to obtain an IP address via DHCP?show ip dhcp briefshow ip dhcpshow ip interface briefshow ip interface dhcpQuestion 3 of 18 4. Your boss asks you what the 'established' keyword means at the end of the below ACL? access-list 102 permit tcp any host 172.30.1.1 eq ftp establishedThe [established] keyword tells the router to permit the traffic from the inside of the network if it was NATed.The [established] keyword tells the router check the port against the ACL if it's applied to the inside of the network.The [established] keyword tells the router to permit the traffic only if it was originated by hosts on the inside. The three-way handshake flags (ACK or RST bit) will indicate this.The [established] keyword tells the router to permit the traffic only if it was originated by hosts on the outside. The three-way handshake flags (CSK or RSK bit) will indicate this.Question 4 of 18 5. There is an implicit 'permit all' at the end of every ACL which is why you need to add a 'deny all' statement.TrueFalseQuestion 5 of 18 6. You need to prevent an IP address from being used by your devices. Which command will prevent this?ip dhcp excluded-address 192.168.1.1dhcp excluded-address 192.168.1.1ip dhcp exclude 192.168.1.1dhcp exclude address 192.168.1.1Question 6 of 18 7. DHCP packet types include? (choose all that apply)DHCP DiscoverDHCP ExcludeDHCP RequestDHCP OfferQuestion 7 of 18 8. DHCP states for clients include? (choose all that apply)RenewingInitialisingRequestingReleasingQuestion 8 of 18 9. You can apply ACLs to interfaces but not vty lines.TrueFalseQuestion 9 of 18 10. When the host first boots up, if it has been configured to use DHCP (which most hosts are), it will send a _____ message asking for IP information to be allocated.UnicastAnycastMulticastBroadcast Question 10 of 18 11. The command to have a router get an interface IP address from the DHCP server is?Router(config-if)#ip dhcpRouter(config-if)#ip address dhcp serverRouter(config-if)#ip address dhcpRouter(config-if)#ip address autoconfigQuestion 11 of 18 12. Which ACL line will permit EIGRP on your network?access-list 101 permit protocol 88 any any access-list 101 permit ip eigrp any any access-list 101 permit eigrp any any access-list 1 permit eigrp any any Question 12 of 18 13. You have to create an ACL to block SNMP. Which ports do you block? (choose all which apply)162164160161163Question 13 of 18 14. Which ACL line will permit network 10.1.0.0?Router(config)#access-list 100 permit 10.1.0.0 0.0.255.255Router(config)#access-group 1 permit 10.1.0.0 0.0.255.255Router(config)#access-list 1 permit 10.1.0.0 255.255.0.0Router(config)#access-list 1 permit 10.1.0.0 0.0.255.255Question 14 of 18 15. You debug DNS with which command?debug name-serverdebug domaindebug dnsdebug namesQuestion 15 of 18 16. Which command will remove ACL line 20? 30 permit 10.1.1.120 permit 192.168.1.115 permit 172.20.1.110 permit 172.16.1.1Router(config-std-nacl)#no 20Router(config-std-nacl)#remove 20Router(config-std-nacl)#20 removeRouter(config-std-nacl)#no line 20Question 16 of 18 17. You have to create an ACL to block TFTP. Which protocol port do you use? (choose two)ICMP81UDP53TCP69Question 17 of 18 18. Which command will designate a NAT inside interface?ip natnat ip insidenat insideip nat insideQuestion 18 of 18 Loading...
