2級電気通信工事施工管理学科過去問題/令和7年1次前期～R1

12 past questions from the 2nd Class Telecommunications Construction Management Engineer Examination from the first half of Reiwa 7 to R1 (first half of 2025/second half of 2024/first half of 2024/first half of 2023/first half of 2023/second half of 2022/first half of 2022/second half of 2021/first half of 2021/second half of 2020/second half of 2019/first half of 2019) For those who aim to pass by going through past questions. There are no in-app charges and no ads. You can study repeatedly on your phone or tablet. Study little by little during your commute on the train or bus or during your break. *Includes the first half of Reiwa 6 (first and second semesters), the first half of Reiwa 5 (first and second semesters), the first half of Reiwa 4 (first and second semesters), the first half of Reiwa 3 (first and second semesters), Reiwa 2 (second semester), and Reiwa 1 (first and second semesters). *No. 51 for the first half of 2024 has been omitted for display reasons. For each question, the answer can be checked immediately by clicking [Question ⇒ Answer]. The question text is also written on the answer page, making it easy to review the questions. Suitable for reviewing past questions. The "Learning Confirmation Test" (R6 to R1) randomly asks 10 questions, allowing you to check your self-understanding. One of the important things to do to obtain a qualification is to review past questions. By reviewing past questions, you can understand what kind of question structure is used, what kind of questions tend to appear, and your areas of strength and weakness.You can also use past questions to plan your exam preparation and exam preparation, such as which areas to focus on and which areas to earn points in. Find your own study method and study in a planned manner. 2024 [1st] 1st semester problem [No. 1] When the distance d [m] between the electrodes is halved and the area S [㎡] is doubled, what is the appropriate value for the capacitance C' [F]? However, the end effect of the capacitor is ignored. 4C [F] 2024 [1st] 1st semester problem [No. 2] When points A and B are at the same potential in the bridge circuit shown below, what is the appropriate value for R [Ω]? 2024 [1st] 1st semester problem [No. 3] When the resistance R = 1 [Ω] and the inductive reactance XL = 1/√3 [Ω] in the RL parallel circuit shown below, what is the appropriate value for the magnitude of the synthetic impedance Z [Ω]? 2024 [1st] 1st semester problem [No. 4] Which of the following is the correct hexadecimal conversion of the binary number 1010 0100 1100 0010? 2024 [1st] 1st semester problem [No. 5] Which of the following is the correct truth table for the logic circuit shown in the figure below? 2024 [1st] 1st semester problem [No. 6] In the frequency shift keying (FSK) shown in the figure below, what is the correct value for the modulation speed B [baud] when the pulse width T per transmitted symbol of the digital signal is 2.5 [ms]? 2024 [1st] 1st semester problem [No. 7] Which of the following combinations of words fit into (A) to (C) in the [ ] of the following description regarding amplitude modulation (AM)? "In the frequency spectrum of amplitude modulation, [(b)] and [(c)] appear above and below [(a)] at the center." (a) Carrier frequency\n(b) Symmetry\n(c) Sideband 2024 1st term problem [No. 8] Which of the following is an inappropriate description of radio waves in the UHF band? Radio waves are mainly propagated by ground waves and ionospheric reflected waves. 2024 1st term problem [No. 9] Which of the following is an appropriate name for the following description of a file format for audio data? "It is a file format that stores sampled data of raw sound, and is usually used uncompressed, resulting in a large data capacity." WAV 2024 1st term problem [No. 10] Which of the following is an appropriate description of an interpreter? An interpreter executes a source program by translating it into machine code line by line. 2024 [1st] First semester Question [No. 11] Which of the following is an inappropriate statement about semiconductors? In p-type semiconductors, the number of free electrons is greater than the number of holes. 2024 [1st] First semester Question [No. 12] Which of the following is an inappropriate statement about sequence control? The controlled variable is compared with the target value, and a corrective action is performed to make the two match. 2024 [1st] First semester Question [No. 13] Which of the following is an inappropriate statement about the types, structures, and characteristics of optical fiber? Optical fiber consists of a central core with a low refractive index and a cladding with a high refractive index that surrounds it. 2024 [1st] First semester Question [No. 14] Which of the following is an appropriate combination of words that fits in (a) or (b) of the [ ] in the following statement about time division multiplexing (TDM)? "Time division multiplexing is a multiplexing method in which multiple digital signals are divided and assigned to [(b)] in order to be transmitted over a transmission line [(a)]." (a) One (b) Time-wise 2024 [1st] First semester Question [No. 15] Which of the following is an inappropriate description of UTP cables used in LANs? It is a shielded twisted pair cable. 2024 [1st] First semester Question [No. 16] Which of the following combinations of words fit (a) and (b) in the [ ] of the following description of Internet connections? "FTTH is a communication method that directly pulls [(a)] from the receiving station to the subscriber's building, and [(b)] is installed on the subscriber's side, and generally connects a router to connect computers and communication devices." (a) Optical fiber (b) ONU 2024 [1st] First half question [No. 17] Which of the following is the appropriate name for the spatial multiplexing transmission used in LTE, the fourth generation (4G) mobile phone system? "It is a technology that uses multiple antennas on both the sending and receiving sides to multiple independent transmission paths for multiplexing communication." MIMO 2024 [1st] First half question [No. 18] Which of the following is the appropriate name for the fading? "This type of fading occurs when electromagnetic waves are reflected or penetrate the ionosphere depending on the height of the ionosphere and the state of electron density." Sweep fading 2024 [1st] First semester problem [No. 19] Which of the following combinations of words and phrases fit (A) and (B) in the following description of the gain of antennas used in wireless communication? "Antenna gain is given by the ratio of the maximum radiating power of an antenna to the maximum radiating power of a reference antenna when the same input power is applied, and the gain when the reference antenna is an [(A)] antenna that radiates radio waves evenly in all directions is called the [(B)] gain." (A) Isotropic (B) Absolute 2024 [1st] First semester problem [No. 20] Which of the following is not a description of DSRC (dedicated short-range communication) used in Japan's ITS (intelligent transport system)? It is used to provide traffic congestion information and travel times at Wi-Fi spots. 2024 [1st] 1st semester question [No. 21] Which of the following is an inappropriate description of IP in TCP/IP? IP is a data link layer protocol in the OSI reference model. 2024 [1st] 1st semester question [No. 22] Which of the following is an appropriate description of a bridge, a network device? It is a device that connects multiple LANs and relays the data link layer of the OSI reference model, relaying on a MAC frame basis, reading the MAC address, and relaying or discarding it. 2024 [1st] 1st semester question [No. 23] Which of the following is an appropriate name for the following description of authentication technology? "It is a technology that uses public key cryptography to confirm that the data of transmitted electronic information has not been tampered with and is the identity of the person in question." Digital signature 2024 [1st] 1st semester question [No. 24] Which of the following is an appropriate description of class C, a method of expressing IP addresses? The first three bits of an IP address are "110". 2024 [1st] First Half Problem [No. 25] Which of the following is the appropriate name for the phenomenon that corresponds to the following description regarding computer virtual memory management? "When the total memory capacity required for program processing is extremely large compared to the capacity of the main memory, frequent swap-in/swap-out occurs, and the original processing does not proceed." Thrashing 2024 [1st] First Half Problem [No. 26] Which of the following is the appropriate combination of words that corresponds to (A) and (B) in the [ ] of the following description regarding USB? "USB is a serial interface that connects a computer to peripheral devices, and can connect up to [(A)] peripheral devices, and the maximum transfer speed of the USB3.2 standard is [(B)] Gbps." (A) 127 (B) 20 2024 [1st] First Half Problem [No. 27] Which of the following is not an appropriate type of semiconductor memory device used as an auxiliary memory device for computers? HDD 2024 [1st] First Half Question [No. 28] Which of the following is the appropriate name for the following information security statement? "Obtaining security-related information from the garbage generated by a company." Social Engineering *We have made every effort to ensure that the points in the app are as accurate as possible, but please note that we cannot guarantee their accuracy. We are not responsible for any inconvenience or disadvantage caused by using this app. *The contents of the app may be added, updated, changed, or modified without notice.