You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?（）
You have been asked to use a 28 bit subnet mask to segment the following network block: 108.12.5.0. How many usable hosts per sub－net could you create?()A.10 hostsB.14 hostsC.12 hostsD.16 hosts
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I have been asked to draw your attention to the following points.A:withdraw B:divert C:attract D:enhance
You are the network consultant from passguide.com. You have been asked for which two features of optical networks allow data to be transmitted over extremely long distances? （）A、EncryptionB、Bandwidth limitsC、Minimal signal lossD、No EMI
You have been asked to use a 28 bit subnet mask to segment the following network block: 108.12.5.0. How many usable hosts per sub-net could you create?（）A、10 hostsB、14 hostsC、12 hostsD、16 hosts
A customer reports the optical drive is no longer responding. Which of the following questionsshould be asked FIRST?（）A、“Did you log in with an administrator account?”B、“Have you been to any inappropriate websites?”C、“What have you changed since the optical drive worked properly?”D、“What has changed since the optical drive worked properly?”
You have been asked to use a 25 bit subnet mask to segment the following network block: 209.18.12.0. How many usable will there be per subnet?（）A、2 hostsB、120 hostsC、126 hostsD、255 hosts
You work as a network administrator at， You have been asked to configure 802.1x port-based authentication. You notice that the client workstation is not compatible with 802.1x port-based authentication. What supported authentication server should be chosen？（）A、TACACS with LEAP extensionsB、RADIUS with EAP extensionsC、TACACS+D、LDAP
