In the implementation of VLSM techniques on a network using a single Class C IP address，which subnetmask is the most efficient for point-to-point serial links？（）A、255.255.255.240B、255.255.255.254C、255.255.255.252D、255.255.255.0E、255.255.255.248
In the implementation of VLSM techniques on a network using a single Class C IP address，which subnetmask is the most efficient for point-to-point serial links？（）
- A、255.255.255.240
- B、255.255.255.254
- C、255.255.255.252
- D、255.255.255.0
- E、255.255.255.248
相关考题：
A customer would like to monitor traffic that is being sent to a specific virtual machine named VM001 using SPAN. The customer has another virtual machine configured as a sniffer host called VM002. What configuration is required， and what other changes will need to be made？ （） VSM-PRI-188# sh int vethernet 5 Vethernet5 is up Port description is VM001， Network Adapter 2 HardwarE. Virtual， address： 0050.56b0.001e （bia 0050.56b0.001e） Owner is VM "VM001"， adapter is Network Adapter 2 Active on module 5 VMware DVS port 484 Port-Profile is VM-vlan-10 Port mode is access VSM-PRI-188# sh int vethernet 6 Vethernet6 is up Port description is VM002， Network Adapter 1 HardwarE. Virtual， address： 0050.56b0.0020 （bia 0050.56b0.0020） Owner is VM "VM002"， adapter is Network Adapter 1 Active on module 5 VMware DVS port 485 Port-Profile is VM-vlan-10 Port mode is access A、 Monitor session 1 type span Source interface veth5 both Destination interface veth6 No shutB、 monitor session 1 source vlan 10 destination interface veth6 no shutC、 monitor session 1 type er-span source interface vlan 10 destination ip 10.1.1.10 no shutD、 VM002 must be removed from the Nk1VE、 Move VM002 to Module 5F、 Restart the VEM on module 5
The dispersion of a non-zero dispersion shifted fiber is 6 ps/nm*km at 1550 nm and 10 ps/nm*km at 1610 nm. What is the minimum dispersion compensation required if an L-Band DWDM signal travels through 200 km of fiber and has a dispersion tolerance of 1800 ps/nm?（）A、noneB、-600 ps/nmC、-200 ps/nmD、+200 ps/nmE、+600 ps/nm
You are a trainee technician at TestKing, Inc. Your instructor tells you to backup an IOS image of a Cisco device to a Windows 2003 server on the network.What should you do first?（）A、Make sure that the network server can be accessed.B、Check that the authentication for access is set.C、Assure that the network server has adequate space for the code image.D、Verify any file naming and path requirements.E、Make sure that the server can load and run the bootstrap code.
What best explains why the banking industry is ready to take advantage of an integrated network infrastructure？（）A、 Many banks are still connecting via dial-up.B、 Many banks need to consolidate departments and resources.C、 Many banks find themselves with an obsolete branch infrastructure.D、 Many banks need back-office process streamlining.
Which three features of the IMAP are available on a Cisco Unity Express module?（）A、Download e-mail messages as attachments to voice-mail messages. B、Access voice-mail messages from general delivery mailboxes (GDM)s. C、Access voice-mail messages over the network or download them selectively. D、Delete voice-mail messages or mark them as read or unread in a manner similar to e-mail messages. E、View instant messages and voice-mail messages from a single integrated e-mail type client using IMAP. F、Play voice-mail locally using standard media players without requiring a connection to Cisco Unity Express.
Which two privileged mode cisco ios commands can be used to determine a cisco router chassis serial number?（）A、show inventoryB、show flash：filesysC、dirflash：include chassisD、show diagE、show controllers