Which command displays the status information including LAPB for an interface serial0 that is running IP traffic over an network. Find the correct command in the exhibit list and type it exactly as shown? Answer: show interface serial0 Explanation: To confirm that the X25 serial interface is functioning correctly study the output of the show interface serial0 command. Reference: Cisco Configuring | - Exam 640-605 Title Remote Access Version Number Version 1-2003 Last Verified and Updated on Jan 4 2003 Fast Way to get your Certification Real Level Practice Questions Guides Important Note Please Read Carefully This Study Guide has been carefully written and compiled by correctexams experts. It is designed to help you learn the concepts behind the questions rather than be a strict memorization tool. Repeated readings will increase your comprehension. We continually add to and update our Study Guides with new questions so check that you have the latest version of this Guide right before you take your exam. For security purposes each PDF file is encrypted with a unique serial number associated with your correct Exams account information. In accordance with International Copyright Law correctexams reserves the right to take legal action against you should we find copies of this PDF file has been distributed to other parties. Please tell us what you think of this Study Guide. We appreciate both positive and critical comments as your feedback helps us improve future versions. We thank you for buying our Study Guides and look forward to supplying you with all your Certification training needs. Good studying correctexams Technical and Support Team Fast Way to get your Certification QUESTION NO 1 ITU-T Q. 931 is the protocol for which layer and channel A. Layer3 D channel B. Layer2 B channel C. Layer2 B channel D. Layer3 C channel Answer A Explanation is ISDN s connection control protocol. It operates at Layer 3 on the ISDN D channel. manages connection setup and breakdown. QUESTION NO 2 Which statement is true A. DSS1 is a subset of Q. 931 B. The B channel is governed by DDR C. ITU-T Q. 931 defines call control between the TE and the LE A. ITU-T Q. 931 is specified as the protocol for the layer 2 of the ISDN D channel Answer C Explanation is ISDN s connection control protocol. manages .